FIR IDE: add quickfix to change function return type

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/assignmentTypeMismatch.kt

@@ -4,4 +4,5 @@ fun foo() {
         var x = 1
         x += 21<caret>
     }
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/assignmentTypeMismatch.kt.after

@@ -4,4 +4,5 @@ fun foo() {
         var x = 1
         x += 21<caret>
     }
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/literalPropertyWithGetter.kt

@@ -1,4 +1,5 @@
 // "Change type of 'complex' to '(Int) -> Long'" "true"
 
 val complex: (Int) -> String
-    get() = { it.toLong()<caret> }
+    get() = { it.toLong()<caret> }
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/literalPropertyWithGetter.kt.after

@@ -1,4 +1,5 @@
 // "Change type of 'complex' to '(Int) -> Long'" "true"
 
 val complex: (Int) -> Long
-    get() = { it.toLong() }
+    get() = { it.toLong() }
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/propertyGetterInitializerTypeMismatch.kt

@@ -4,4 +4,5 @@ class A {
     var x: Int
         get(): Int = if (true) { {42}<caret> } else { {24} }
         set(i: Int) {}
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/returnedExpressionTypeMismatchFunctionParameterType.kt

@@ -3,4 +3,5 @@ fun foo(f: () -> Int) {
     foo {
         ""<caret>
     }
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/typeMismatchInIfStatementReturnedByLiteral.kt

@@ -9,4 +9,5 @@ fun foo() {
             if (true) x<caret> else x
         }
     }
-}
+}
+/* IGNORE_FIR */