KT-5522 Rename refactoring on implicit lambda parameter 'it' should be allowed

#KT-5522 fixed

idea/testData/refactoring/rename/inplace/FunctionLiteralIt.kt

@@ -0,0 +1,3 @@
+fun f() {
+    val f: (Int) -> Int = { <caret>it + it }
+}

idea/testData/refactoring/rename/inplace/FunctionLiteralIt.kt.after

@@ -0,0 +1,3 @@
+fun f() {
+    val f: (Int) -> Int = { y -> y + y }
+}