Plan state (#4310)

* Add plan state indicators
* Changes to simplify timeline view
* Styling for draft plans
* Adds status to Plan.vue
* Adds tests
* Mods for #4309
- New font and icomoon JSON file - when merging, please override with this version if any conflicts!
- New glyph and bg-icon svg style for plan;
- Updated glyph and bg-icon svg style for timestrip;
- Modified visual approach, glyph, color for `is-status--draft`;
- Updated icon usage for Plan views;
- Updated description for Plan and Timestrip views;

Co-authored-by: Andrew Henry <akhenry@gmail.com>
Co-authored-by: Jamie V <jamie.j.vigliotta@nasa.gov>
Co-authored-by: Nikhil <nikhil.k.mandlik@nasa.gov>
Co-authored-by: Khalid Adil <khalidadil29@gmail.com>
Co-authored-by: Charles Hacskaylo <charlesh88@gmail.com>
Co-authored-by: Scott Bell <scott@traclabs.com>
Co-authored-by: Michael Rogers <michael@mhrogers.com>

src/api/objects/ObjectAPI.js

@@ -521,6 +521,7 @@ ObjectAPI.prototype._toMutable = function (object) {
                 if (updatedModel.persisted > mutableObject.modified) {
                     //Don't replace with a stale model. This can happen on slow connections when multiple mutations happen
                     //in rapid succession and intermediate persistence states are returned by the observe function.
+                    updatedModel = this.applyGetInterceptors(identifier, updatedModel);
                     mutableObject.$refresh(updatedModel);
                 }
             });