Add intention to introduce import alias

#KT-16118 Fixed
 #KT-30007 Fixed

idea/testData/intentions/introduceImportAlias/classWithConstructor.kt

@@ -0,0 +1,14 @@
+class Outer {
+    class Middle {
+        class Inner(val outer: Outer) {
+            constructor() : this(Outer())
+        }
+    }
+}
+
+class Middle {
+    fun test() {
+        val i = Outer.Middle.Inner<caret>(Outer())
+        val b = Outer.Middle.Inner()
+    }
+}