[NI] Continue resolution after unstable smart cast on receiver

The old inference cosideres candidates with unstable smartcast on
receiver unsuccessful, therefore another one may be selected.
KT-36264

compiler/testData/diagnostics/tests/resolve/noStopOnReceiverUnstableSmartCast.fir.kt

@@ -0,0 +1,27 @@
+interface Base {
+    val parent: Base
+}
+
+class Derived : Base {
+    override val parent: Base
+        get() = TODO()
+}
+
+fun test(d: Derived) {
+    when {
+        d.parent is Derived -> d.parent.parent
+    }
+}
+
+fun Any?.take() {}
+class Something {
+    var prop: String? = null
+
+    fun String.take() {}
+
+    fun test() {
+        if (prop is String) {
+            prop.take()
+        }
+    }
+}

compiler/testData/diagnostics/tests/resolve/noStopOnReceiverUnstableSmartCast.kt

@@ -0,0 +1,27 @@
+interface Base {
+    val parent: Base
+}
+
+class Derived : Base {
+    override val parent: Base
+        get() = TODO()
+}
+
+fun test(d: Derived) {
+    when {
+        d.parent is Derived -> d.parent.parent
+    }
+}
+
+fun Any?.take() {}
+class Something {
+    var prop: String? = null
+
+    fun String.take() {}
+
+    fun test() {
+        if (prop is String) {
+            prop.take()
+        }
+    }
+}

compiler/testData/diagnostics/tests/resolve/noStopOnReceiverUnstableSmartCast.txt

@@ -0,0 +1,29 @@
+package
+
+public fun test(/*0*/ d: Derived): kotlin.Unit
+public fun kotlin.Any?.take(): kotlin.Unit
+
+public interface Base {
+    public abstract val parent: Base
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Derived : Base {
+    public constructor Derived()
+    public open override /*1*/ val parent: Base
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Something {
+    public constructor Something()
+    public final var prop: kotlin.String?
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final fun test(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public final fun kotlin.String.take(): kotlin.Unit
+}

compiler/testData/diagnostics/tests/smartCasts/elvis/impossible.kt

@@ -18,7 +18,7 @@ fun foo(list: StringList, arg: Unstable) {
     list.remove(arg.first)
     if (arg.first?.isEmpty() ?: false) {
         // Should be still resolved to extension, without smart cast or smart cast impossible
-        list.remove(<!OI;SMARTCAST_IMPOSSIBLE!>arg.first<!>)
+        list.remove(<!NI;SMARTCAST_IMPOSSIBLE, SMARTCAST_IMPOSSIBLE!>arg.first<!>)
     }
 }
 
@@ -36,6 +36,6 @@ fun bar(list: BooleanList, arg: UnstableBoolean) {
     list.remove(arg.first)
     if (arg.first ?: false) {
         // Should be still resolved to extension, without smart cast or smart cast impossible
-        list.remove(<!OI;SMARTCAST_IMPOSSIBLE!>arg.first<!>)
+        list.remove(<!NI;SMARTCAST_IMPOSSIBLE, SMARTCAST_IMPOSSIBLE!>arg.first<!>)
     }
 }

compiler/testData/diagnostics/tests/smartCasts/varnotnull/unnecessaryWithMap.fir.kt

@@ -1,3 +1,5 @@
+// !WITH_NEW_INFERENCE
+
 fun create(): Map<String, String> = null!!
 
 operator fun <K, V> Map<K, V>.iterator(): Iterator<Map.Entry<K, V>> = null!!

compiler/testData/diagnostics/tests/smartCasts/varnotnull/unnecessaryWithMap.kt

@@ -1,3 +1,5 @@
+// !WITH_NEW_INFERENCE
+
 fun create(): Map<String, String> = null!!
 
 operator fun <K, V> Map<K, V>.iterator(): Iterator<Map.Entry<K, V>> = null!!
@@ -13,7 +15,7 @@ class MyClass {
         m = create()
         // See KT-7428
         for ((k, v) in <!SMARTCAST_IMPOSSIBLE!>m<!>)
-            res += (k.length + v.length)
+            res <!NI;OVERLOAD_RESOLUTION_AMBIGUITY!>+=<!> (<!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>k<!>.<!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>length<!> <!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>+<!> <!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>v<!>.<!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>length<!>)
         return res
     }
 }