Add intention to introduce import alias

#KT-16118 Fixed
 #KT-30007 Fixed

idea/testData/intentions/introduceImportAlias/addImportWithDefaultClassAndFunction.kt.after

@@ -0,0 +1,7 @@
+import kotlin.collections.List as List1
+
+// WITH_RUNTIME
+fun foo() {
+    val list: List1<String>
+    val secondList = List1(5) { 1 }
+}