js: Replace Tweener time leftovers with ease duration

In some places we were not properly animating the actors as still using the
non-existent 'time' property instead of 'duration'

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/758

js/ui/appDisplay.js

@@ -2233,7 +2233,7 @@ var AppIcon = class AppIcon {
         this.actor.ease({
             scale_x: 1,
             scale_y: 1,
-            time: APP_ICON_SCALE_IN_TIME,
+            duration: APP_ICON_SCALE_IN_TIME,
             delay: APP_ICON_SCALE_IN_DELAY,
             mode: Clutter.AnimationMode.EASE_OUT_QUINT
         });

js/ui/dash.js

@@ -623,7 +623,7 @@ var Dash = class Dash {
             icon.icon.ease({
                 width: targetWidth,
                 height: targetHeight,
-                time: DASH_ANIMATION_TIME,
+                duration: DASH_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD
             });
         }

js/ui/lookingGlass.js

@@ -428,7 +428,7 @@ var ObjInspector = class ObjInspector {
                 scale_x: 1,
                 scale_y: 1,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-                time: 200
+                duration: 200
             });
         } else {
             this.actor.set_scale(1, 1);