fix(react-datepicker-compat): reorder event handling for Escape key (#35839)

Co-authored-by: Dmytro Kirpa <kirpadv@gmail.com>

Author: JakubWieclaw

change/@fluentui-react-datepicker-compat-e5ad4ca3-5340-4525-87db-8a1e481827ce.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "fix: reorder event handling for Escape key",
+  "packageName": "@fluentui/react-datepicker-compat",
+  "email": "85318654+JakubWieclaw@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}

packages/react-components/react-datepicker-compat/library/src/components/DatePicker/useDatePicker.tsx

@@ -293,9 +293,9 @@ export const useDatePicker_unstable = (props: DatePickerProps, ref: React.Ref<HT
           break;
 
         case Escape:
-          ev.stopPropagation();
-          ev.preventDefault();
           if (open) {
+            ev.stopPropagation();
+            ev.preventDefault();
             calendarDismissed();
           }
           break;