fix(ui): remove HUD overlay animations for instant show/hide

Author: abose

src/styles/brackets.less

@@ -3414,7 +3414,7 @@ label input {
     position: fixed;
     top: 50%;
     left: 50%;
-    transform: translate(-50%, -50%) scale(0.9);
+    transform: translate(-50%, -50%);
     display: flex;
     flex-direction: column;
     align-items: center;
@@ -3425,8 +3425,6 @@ label input {
     background: rgba(30, 30, 30, 0.85);
     color: #e0e0e0;
     z-index: 10000;
-    opacity: 0;
-    transition: opacity 0.2s ease, transform 0.2s ease;
     pointer-events: none;
     user-select: none;
     i {
@@ -3439,10 +3437,6 @@ label input {
         letter-spacing: 0.5px;
     }
 }
-.hud-overlay.visible {
-    opacity: 1;
-    transform: translate(-50%, -50%) scale(1);
-}
 
 .inline-toast kbd {
     display: inline-block;

src/widgets/NotificationUI.js

@@ -517,29 +517,14 @@ define(function (require, exports, module) {
         const notification = new Notification($hud, "hud");
         _activeHUD = notification;
 
-        // Fade in on next frame
-        requestAnimationFrame(function () {
-            $hud.addClass("visible");
-        });
-
-        function closeHUD(reason) {
-            if (!notification.$notification) {
-                return;
+        notification.close = function (closeType) {
+            if (!this.$notification) {
+                return this;
             }
-            notification.$notification = null;
+            this.$notification = null;
             _activeHUD = null;
-            $hud.removeClass("visible");
-            function cleanup() {
-                $hud.remove();
-                notification._result.resolve(reason);
-            }
-            $hud.one("transitionend transitioncancel", cleanup);
-            // Safety fallback
-            setTimeout(cleanup, 600);
-        }
-
-        notification.close = function (closeType) {
-            closeHUD(closeType || CLOSE_REASON.CLICK_DISMISS);
+            $hud.remove();
+            this._result.resolve(closeType || CLOSE_REASON.CLICK_DISMISS);
             return this;
         };