Allow imports with the same names as global types to be moved by refactoring

Author: Andarist

tests/cases/fourslash/moveToNewFile_importNameLikeGlobal1.ts

@@ -0,0 +1,24 @@
+/// <reference path='fourslash.ts' />
+
+// @lib: dom
+
+// @Filename: /a.ts
+//// export default class Event {}
+
+// @Filename: /b.ts
+//// import Event from './a.js';
+//// [|export function test(test: Event): void {}|]
+
+verify.noErrors();
+
+verify.moveToNewFile({
+    newFileContents: {
+        "/b.ts": "",
+
+        "/test.ts":
+`import Event from './a';
+
+export function test(test: Event): void { }
+`,
+    },
+});