KT-14294 for to stdlib to firstOrNull/lastOrNull: intention is absent if there is additional var before for loop

#KT-14294 Fixed

idea/testData/intentions/loopToCallChain/firstOrNull/KT14292.kt

@@ -0,0 +1,18 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filterNotNull().firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filterNotNull().firstOrNull{}'"
+
+fun getFirstValue() = "value"
+
+fun foo(list: List<String?>): String? {
+    var found: String? = null
+    val value = getFirstValue()
+    <caret>for (s in list)
+        if (s != null)
+            if(!s.startsWith("IMG:"))
+                if (s.contains(value)) {
+                    found = s
+                    break
+                }
+    return found
+}

idea/testData/intentions/loopToCallChain/firstOrNull/KT14292.kt.after

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filterNotNull().firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filterNotNull().firstOrNull{}'"
+
+fun getFirstValue() = "value"
+
+fun foo(list: List<String?>): String? {
+    val value = getFirstValue()
+    val <caret>found: String? = list
+            .filterNotNull()
+            .firstOrNull { !it.startsWith("IMG:") && it.contains(value) }
+    return found
+}

idea/testData/intentions/loopToCallChain/firstOrNull/KT14292.kt.after2

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filterNotNull().firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filterNotNull().firstOrNull{}'"
+
+fun getFirstValue() = "value"
+
+fun foo(list: List<String?>): String? {
+    val value = getFirstValue()
+    val <caret>found: String? = list
+            .asSequence()
+            .filterNotNull()
+            .firstOrNull { !it.startsWith("IMG:") && it.contains(value) }
+    return found
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken3.kt

@@ -0,0 +1,16 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    if (o is CharSequence) {
+        var result: Any? = null
+        <caret>for (s in list) {
+            val a = s.length + (o as String).capitalize().hashCode()
+            val x = a * o.length
+            if (x > 1000) {
+                result = x
+                break
+            }
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken3.kt.after

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    if (o is CharSequence) {
+        val result: Any? = list
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .firstOrNull { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken3.kt.after2

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    if (o is CharSequence) {
+        val result: Any? = list
+                .asSequence()
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .firstOrNull { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken4.kt

@@ -0,0 +1,17 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    var result: Any? = ""
+    if (o is CharSequence) {
+        result = null
+        <caret>for (s in list) {
+            val a = s.length + (o as String).capitalize().hashCode()
+            val x = a * o.length
+            if (x > 1000) {
+                result = x
+                break
+            }
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken4.kt.after

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    var result: Any? = ""
+    if (o is CharSequence) {
+        result = list
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .firstOrNull { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken4.kt.after2

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.firstOrNull{}'"
+fun foo(list: List<String>, o: Any) {
+    var result: Any? = ""
+    if (o is CharSequence) {
+        result = list
+                .asSequence()
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .firstOrNull { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken5.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.filterTo(){}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.filterTo(){}'"
+fun foo(list: List<String>, o: Any, result: MutableCollection<Int>) {
+    if (o is CharSequence) {
+        <caret>for (s in list) {
+            val a = s.length + (o as String).capitalize().hashCode()
+            val x = a * o.length
+            if (x > 1000) {
+                result.add(x)
+            }
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken5.kt.after

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.filterTo(){}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.filterTo(){}'"
+fun foo(list: List<String>, o: Any, result: MutableCollection<Int>) {
+    if (o is CharSequence) {
+        list
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .filterTo(result) { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastNotBroken5.kt.after2

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'map{}.map{}.filterTo(){}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().map{}.map{}.filterTo(){}'"
+fun foo(list: List<String>, o: Any, result: MutableCollection<Int>) {
+    if (o is CharSequence) {
+        list
+                .asSequence()
+                .map { it.length + (o as String).capitalize().hashCode() }
+                .map { it * o.length }
+                .filterTo(result) { it > 1000 }
+    }
+}

idea/testData/intentions/loopToCallChain/smartCasts/smartCastRequired6.kt

@@ -0,0 +1,16 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+// IS_APPLICABLE_2: false
+fun foo(list: List<Any>) {
+    var v: String?
+
+    v = null
+    <caret>for (o in list) {
+        if (bar(o as String)) {
+            v = o
+            break
+        }
+    }
+}
+
+fun bar(s: String): Boolean = true