[PM-21005] Clear Add/Edit form cache when browser loses focus (#14634)

libs/angular/src/platform/view-cache/view-cache.service.ts

@@ -23,6 +23,12 @@ type BaseCacheOptions<T> = {
    * Optional flag to persist the cached value between navigation events.
    */
   persistNavigation?: boolean;
+
+  /**
+   * When set, the cached value will be cleared when the user changes tabs.
+   * @optional
+   */
+  clearOnTabChange?: true;
 } & (T extends JsonValue ? Deserializer<T> : Required<Deserializer<T>>);
 
 export type SignalCacheOptions<T> = BaseCacheOptions<T> & {