Add watcher for branchId in DirectorInfo component: Implemented a watcher to trigger loadDirector method when branchId changes, enhancing data responsiveness in the UI.

frontend/src/components/falukant/DirectorInfo.vue

@@ -210,6 +210,14 @@ export default {
       },
     };
   },
+  watch: {
+    branchId: {
+      immediate: false,
+      handler() {
+        this.loadDirector();
+      },
+    },
+  },
   async mounted() {
     await this.loadDirector();
   },