Lock surface while inspectors are animating open

Objective:

* Prevent input while the inspector is animating open

Changes:

ve.ui.LinkInspector.js
* Disable and then re-enable the surface while the inspector is opening

ve.ce.DocumentNode.js
* Remove opacity changes on disable/enable

ve.init.mw.ViewPageTarget.js
* Change the opacity of the document when save dialog is open

Bug: 51075
Change-Id: Ic7910a666b33b41b57b035a15cf1f8c9264e7111
Merge "Lock surface while inspectors are animating open"