Use OverrideMemberChooserObject to generate actual decls in quick-fixes

This can fix a lot of issues related to inexact generation, in particular
#KT-27093 Fixed

idea/testData/multiModuleQuickFix/property/jvm/x.kt.after

@@ -1,4 +1,4 @@
 // x: to be implemented
 actual var x: Int
-    get() = TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     set(value) {}