Import quick fix: suggest for operator extension function called from name reference

#KT-28049 Fixed

idea/testData/quickfix/autoImports/invokeExtension2.test

@@ -0,0 +1,42 @@
+// FILE: first.before.kt
+// "Import" "true"
+// ERROR: Expression 'a' of type 'A' cannot be invoked as a function. The function 'invoke()' is not found
+
+package b
+
+import a.A
+
+fun main() {
+    val a = A()
+    <caret>a()
+}
+//-----------------------
+
+
+// FILE: second.kt
+// "Import" "true"
+// ERROR: Expression 'a' of type 'A' cannot be invoked as a function. The function 'invoke()' is not found
+
+package a
+
+class A
+operator fun A.invoke() = 42
+//-----------------------
+
+
+// FILE: first.after.kt
+// "Import" "true"
+// ERROR: Expression 'a' of type 'A' cannot be invoked as a function. The function 'invoke()' is not found
+
+package b
+
+import a.A
+import a.invoke
+
+fun main() {
+    val a = A()
+    <caret>a()
+}
+//-----------------------
+
+