Fix "move suspicious reference into parentheses" for functional types

So #KT-21743 Fixed

idea/testData/inspectionsLocal/moveSuspiciousCallableReferenceIntoParentheses/variableReceiver.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+class Test {
+    val lambda = { s: String -> true }
+    fun test() {
+        "".let {<caret> lambda::invoke }
+    }
+}