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/general/res/templates/menu/context-menu.html

@@ -1,33 +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.
--->
-<div class="menu-element context-menu-wrapper mobile-disable-select" ng-controller="ContextMenuController">
-    <div class="menu context-menu">
-        <ul>
-            <li ng-repeat="menuAction in menuActions"
-                ng-click="menuAction.perform()"
-                title="{{menuAction.getMetadata().description}}"
-                class="{{menuAction.getMetadata().cssClass}}">
-                {{menuAction.getMetadata().name}}
-            </li>
-        </ul>
-    </div>
-</div>