Local control tweaks

Fixes #2094
- Adjust timing;
- Added hover effects for .s-notebook-entry;

platform/commonUI/general/res/sass/controls/_controls.scss

@@ -133,19 +133,11 @@
 /******************************************************** LOCAL CONTROLS */
 // Controls placed in proximity to or overlaid on components and views
 
-.local-controls-persist {
-
-}
-
 .local-controls-hidden {
     // Used within .has-local-controls, hidden by default
 
 }
 
-.local-controls-flyout {
-
-}
-
 body.desktop .has-local-controls {
     // Helper class, provides hover ability to show local controls
 
@@ -156,7 +148,7 @@ body.desktop .has-local-controls {
     }
 
     .local-controls-hidden {
-        @include trans-prop-nice($props: opacity, $dur: 1000ms);
+        @include trans-prop-nice($props: opacity, $dur: 500ms);
         opacity: 0;
         pointer-events: none;
     }