[UI] Refresh the loaded panel when the URL fragment changes.

platypush/backend/http/webapp/src/views/Panel.vue

@@ -112,6 +112,7 @@ export default {
       await this.parseConfig()
       this.initPanels()
       this.initSelectedPanel()
+      this.$watch('$route.hash', this.initSelectedPanel)
     } finally {
       this.loading = false
     }