Add a quickfix for warning on ambiguously annotated expression

#KT-14238 Fixed

idea/testData/quickfix/addNewLineAfterAnnotations/basic.kt

@@ -0,0 +1,9 @@
+// "Add new line after annotations" "true"
+
+@Target(AnnotationTarget.EXPRESSION)
+annotation class Ann
+
+fun foo(y: Int) {
+    var x = 1
+    @Ann x<caret> += 2
+}