Extraction Engine: Do not extract type parameter if it's resolved in the target scope

#KT-7246 Fixed

idea/testData/refactoring/extractFunction/typeParameters/typeParameterNotResolvableInTargetScope.kt

@@ -0,0 +1,16 @@
+// WITH_RUNTIME
+// PARAM_TYPES: Foo<T>
+// PARAM_TYPES: kotlin.String, Comparable<String>, CharSequence, kotlin.Any
+// PARAM_DESCRIPTOR: internal final class Foo<T> defined in root package
+// PARAM_DESCRIPTOR: value-parameter val l: kotlin.String defined in Foo.test
+
+import java.util.*
+
+// SIBLING:
+class Foo<T> {
+    val map = HashMap<String, T>()
+
+    fun test(l: String): T {
+        return <selection>map[l]</selection>
+    }
+}

idea/testData/refactoring/extractFunction/typeParameters/typeParameterNotResolvableInTargetScope.kt.after

@@ -0,0 +1,18 @@
+// WITH_RUNTIME
+// PARAM_TYPES: Foo<T>
+// PARAM_TYPES: kotlin.String, Comparable<String>, CharSequence, kotlin.Any
+// PARAM_DESCRIPTOR: internal final class Foo<T> defined in root package
+// PARAM_DESCRIPTOR: value-parameter val l: kotlin.String defined in Foo.test
+
+import java.util.*
+
+// SIBLING:
+class Foo<T> {
+    val map = HashMap<String, T>()
+
+    fun test(l: String): T {
+        return t(l)
+    }
+}
+
+private fun <T> Foo<T>.t(l: String) = map[l]

idea/testData/refactoring/extractFunction/typeParameters/typeParameterResolvableInTargetScope.kt

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+// PARAM_TYPES: kotlin.String, Comparable<String>, CharSequence, kotlin.Any
+// PARAM_DESCRIPTOR: value-parameter val l: kotlin.String defined in Foo.test
+
+import java.util.*
+
+class Foo<T> {
+    val map = HashMap<String, T>()
+
+    fun test(l: String): T {
+        return <selection>map[l]</selection>
+    }
+}

idea/testData/refactoring/extractFunction/typeParameters/typeParameterResolvableInTargetScope.kt.after

@@ -0,0 +1,15 @@
+// WITH_RUNTIME
+// PARAM_TYPES: kotlin.String, Comparable<String>, CharSequence, kotlin.Any
+// PARAM_DESCRIPTOR: value-parameter val l: kotlin.String defined in Foo.test
+
+import java.util.*
+
+class Foo<T> {
+    val map = HashMap<String, T>()
+
+    fun test(l: String): T {
+        return t(l)
+    }
+
+    private fun t(l: String) = map[l]
+}