appIcons: Setup unity indicator properties on construction

These properties may have been set already by any application around
(hey snapd!), so we need to initialize the values properly and not only
rely on updates.

So that when application is launched we pick those values

Author: 3v1n0

appIconIndicators.js

@@ -760,6 +760,12 @@ class UnityIndicator extends IndicatorBase {
             'style-changed',
             () => this._updateIconStyle(),
         ]);
+
+        this._updateNotificationsCount();
+        this.setProgress(this._remoteEntry.progress_visible
+            ? this._remoteEntry.progress : -1);
+        this.setUrgent(this._remoteEntry.urgent);
+        this.setUpdating(this._remoteEntry.updating);
     }
 
     destroy() {

appIcons.js

@@ -123,6 +123,7 @@ const DockAbstractAppIcon = GObject.registerClass({
         this._signalsHandler = new Utils.GlobalSignalsHandler(this);
         this.iconAnimator = iconAnimator;
         this._indicator = new AppIconIndicators.AppIconIndicator(this);
+        this._urgentWindows = new Set();
 
         // Monitor windows-changes instead of app state.
         // Keep using the same Id and function callback (that is extended)
@@ -157,20 +158,23 @@ const DockAbstractAppIcon = GObject.registerClass({
             else
                 this.remove_style_class_name('running');
         });
+        this.notify('running');
 
         this.connect('notify::focused', () => {
             if (this.focused)
                 this.add_style_class_name('focused');
             else
                 this.remove_style_class_name('focused');
         });
+        this.notify('focused');
 
         this.connect('notify::updating', () => {
             if (this.updating)
                 this.add_style_class_name('updating');
             else
                 this.remove_style_class_name('updating');
         });
+        this.notify('updating');
 
         const {notificationsMonitor} = Docking.DockManager.getDefault();
 
@@ -195,8 +199,8 @@ const DockAbstractAppIcon = GObject.registerClass({
                 this._updateUrgentWindows();
             }
         });
+        this.notify('urgent');
 
-        this._urgentWindows = new Set();
         this._progressOverlayArea = null;
         this._progress = 0;