Gestures: Keep smooth progress even with disabled animations (#2621)

Fixes #2620

Keep smooth progress during the gesture but still skip the finishing animation. This is also how adwaita does it for e.g. navigation view, carousel, etc.

Author: leolost2605

lib/Gestures/GestureController.vala

@@ -64,7 +64,6 @@ public class Gala.GestureController : Object {
 
     /**
      * When disabled gesture progress will stay where the gesture ended and not snap to full integers values.
-     * This will also cause the controller to emit smooth progress information even if animations are disabled.
      */
     public bool snap { get; construct set; default = true; }
 
@@ -173,12 +172,6 @@ public class Gala.GestureController : Object {
                 direction_multiplier *= -1;
             }
 
-            if (snap && !Meta.Prefs.get_gnome_animations ()) {
-                recognizing = false;
-                prepare ();
-                finish (0, progress + direction_multiplier);
-            }
-
             recognizing_backend = backend;
         }