Add quickfixes inserting explicit delegation calls

#KT-6963 Fixed

idea/idea-analysis/src/org/jetbrains/kotlin/idea/JetBundle.properties

@@ -17,6 +17,7 @@ add.init.keyword.family=Add 'init' keyword
 add.init.keyword.in.whole.project=Add 'init' keyword in whole project
 add.init.keyword.in.whole.project.modal.title=Adding 'init' keyword in whole project
 add.init.keyword.in.whole.project.family=Add 'init' keyword in whole project
+insert.delegation.call=Insert ''{0}()'' call
 make.element.in.classifiers.open=Make ''{0}'' in {1} open
 make.class.annotation.class=Make ''{0}'' an annotation class
 make.class.annotation.class.family=Make Class an Annotation Class