alt-tab: Rework minimized windows

- Don't use [] notation (hard to read, not intuitive)
- Move them to the end of the list so they don't get in the way
- Apply the contrast effect to the title as well to make it more
noticeable

data/org.cinnamon.gschema.xml

@@ -414,7 +414,7 @@
     </key>
 
     <key type="b" name="alttab-minimized-aware">
-    <default>false</default>
+    <default>true</default>
       <summary>Move minimized windows to the end of the appSwitcher</summary>
     </key>
 

js/ui/appSwitcher/classicSwitcher.js

@@ -419,16 +419,12 @@ AppIcon.prototype = {
         this.actor.add(this._iconBin, { x_fill: false, y_fill: false } );
         let title = window.get_title();
         if (title) {
+            this.label = new St.Label({ text: title });
             if (window.minimized) {
-                this.label = new St.Label({ text: "[" + title + "]"});               
-                let contrast_effect = new Clutter.BrightnessContrastEffect();                
+                let contrast_effect = new Clutter.BrightnessContrastEffect();
                 contrast_effect.set_brightness_full(-0.5, -0.5, -0.5);
-                this._iconBin.add_effect(contrast_effect);                
+                this.actor.add_effect(contrast_effect);
             }
-            else {
-                this.label = new St.Label({ text: title });    
-            }
-
             let bin = new St.Bin({ x_align: St.Align.MIDDLE });
             bin.add_actor(this.label);
             this.actor.add(bin);