fix(drawer): prevent backdrop flicker on controlled async close

Keep swipe animation overrides until the drawer enters closing, so a
controlled close driven by an async open setter no longer replays the
enter animation while still open.

Author: segunadebayo

.changeset/drawer-async-close-animation.md

@@ -0,0 +1,5 @@
+---
+"@zag-js/drawer": patch
+---
+
+Fix backdrop flicker on controlled close with an async `open` setter by clearing swipe animation overrides only when entering `closing`

packages/machines/drawer/src/drawer.machine.ts

@@ -254,7 +254,6 @@ export const machine = createMachine<DrawerSchema>({
           {
             guard: and("shouldCloseOnSwipe", "isOpenControlled"),
             actions: [
-              "clearSwipeOpenAnimation",
               "clearRegistrySwiping",
               "clearPointerStart",
               "setDismissSwipeStrength",
@@ -295,7 +294,7 @@ export const machine = createMachine<DrawerSchema>({
         CLOSE: [
           {
             guard: "isOpenControlled",
-            actions: ["clearSwipeOpenAnimation", "invokeOnClose"],
+            actions: ["invokeOnClose"],
           },
           {
             target: "closing",