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/abstract/js/Abstract.kt.after

@@ -9,5 +9,5 @@ actual abstract class Abstract {
     }
 
     actual val isGood: Boolean
-        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.
 }