KT-12152: quick fix "make final" for member / containing class

idea/testData/quickfix/leakingThis/inAbstract.kt

@@ -0,0 +1,10 @@
+// "Make 'My' final" "false"
+// ACTION: Add 'my =' to argument
+
+abstract class My {
+    init {
+        register(<caret>this)
+    }
+}
+
+fun register(my: My) {}