Introduce Variable: Allow choosing extraction scope for expressions in the lambda body

#KT-7720 Fixed

idea/testData/refactoring/introduceVariable/extractToScope/itInsideNestedLamba.kt

@@ -0,0 +1,5 @@
+fun foo(f: (Int) -> Int) = f(0)
+
+fun test() {
+    foo { foo { (1 + 2) * <selection>it</selection> } }
+}