Add intention to introduce import alias

#KT-16118 Fixed
 #KT-30007 Fixed

idea/testData/quickfix/decreaseVisibility/exposedReceiverType.kt

@@ -1,5 +1,6 @@
 // "Make 'foo' private" "false"
 // ACTION: Convert receiver to parameter
+// ACTION: Introduce import alias
 // ACTION: Make 'Private' protected
 // ACTION: Make 'Private' public
 // ERROR: 'protected (in My)' member exposes its 'private' receiver type argument Private

idea/testData/quickfix/decreaseVisibility/exposedTypeInAnnotation.kt

@@ -1,5 +1,6 @@
 // "Make '<init>' internal" "false"
 // DISABLE-ERRORS
+// ACTION: Introduce import alias
 // ACTION: Make 'My' public
 
 internal class My