update preview action to use new action registry

* 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

* WIP re-implementation of Preview action

* WIP for Charles to take a look at flex issues

* Disable legacy preview action

* Style and markup fixes for new Preview

- LegacyViewProvider modded to wrap legacy elements in .u-contents div;
- Added selector that automatically defines display: contents on
`no-class` divs injected into __object-view;
- Unit tested with legacy and new components (telem tables, plot view,
Notebook, etc.)

* Tweak z-indexes, fix open in new tab action, add 'done' button

* Removed legacy action

* reuse contextMenuDropDown component

platform/commonUI/general/res/templates/preview.html

@@ -1,45 +0,0 @@
-<!--
- Open MCT, Copyright (c) 2014-2017, 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="t-frame-inner abs t-object-type-{{ domainObject.getModel().type }}" mct-preview>
-    <div class="abs object-browse-bar l-flex-row">
-        <div class="left flex-elem l-flex-row grows">
-            <mct-representation
-                    key="'object-header-frame'"
-                    mct-object="domainObject"
-                    class="l-flex-row flex-elem object-header grows">
-            </mct-representation>
-        </div>
-        <div class="btn-bar right l-flex-row flex-elem flex-justify-end flex-fixed">
-            <mct-representation
-                    key="'switcher'"
-                    ng-model="representation"
-                    mct-object="domainObject">
-            </mct-representation>
-        </div>
-    </div>
-    <div class="abs object-holder">
-        <mct-representation
-                key="representation.selected.key"
-                mct-object="representation.selected.key && domainObject">
-        </mct-representation>
-    </div>
-</div>