Address testathon issues relating to context menu (#2235)

* Support category arrays for legacy actions

* Fixed object path listener. Removed old context menus

* Removed old fullscreen action and Screenfull dependency

* Restore confirmation dialog on remove

* Restored tests

* Remove unused legacy policies

platform/commonUI/browse/test/windowing/FullscreenActionSpec.js

@@ -1,59 +0,0 @@
-/*****************************************************************************
- * Open MCT, Copyright (c) 2014-2018, United States Government
- * as represented by the Administrator of the National Aeronautics and Space
- * Administration. All rights reserved.
- *
- * Open MCT is licensed under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * http://www.apache.org/licenses/LICENSE-2.0.
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- * Open MCT includes source code licensed under additional open source
- * licenses. See the Open Source Licenses file (LICENSES.md) included with
- * this source code distribution or the Licensing information page available
- * at runtime from the About dialog for additional information.
- *****************************************************************************/
-
-/**
- * MCTRepresentationSpec. Created by vwoeltje on 11/6/14.
- */
-define(
-    ["../../src/windowing/FullscreenAction", "screenfull"],
-    function (FullscreenAction, screenfull) {
-
-        describe("The fullscreen action", function () {
-            var action,
-                oldToggle;
-
-            beforeEach(function () {
-                // Screenfull is not shimmed or injected, so
-                // we need to spy on it in the global scope.
-                oldToggle = screenfull.toggle;
-
-                screenfull.toggle = jasmine.createSpy("toggle");
-
-                action = new FullscreenAction({});
-            });
-
-            afterEach(function () {
-                screenfull.toggle = oldToggle;
-            });
-
-            it("toggles fullscreen mode when performed", function () {
-                action.perform();
-                expect(screenfull.toggle).toHaveBeenCalled();
-            });
-
-            it("provides displayable metadata", function () {
-                expect(action.getMetadata().cssClass).toBeDefined();
-            });
-
-        });
-    }
-);