fix ([data-bind=backend-enabled]): remove quickfix and fix root cause of cf83f7507c

public/assets/pages/adminpage/ctrl_backend_state.js

@@ -12,7 +12,10 @@ const backendsEnabled$ = new rxjs.BehaviorSubject();
 export async function initStorage() {
     return await getConfig().pipe(
         rxjs.map(({ connections }) => connections),
-        rxjs.tap((connections) => backendsEnabled$.next(Array.isArray(connections) ? connections : [])),
+        rxjs.tap((connections) => {
+            if (backendsEnabled$.value !== undefined) return;
+            backendsEnabled$.next(Array.isArray(connections) ? connections : [])
+        }),
     ).toPromise();
 }
 

public/assets/pages/adminpage/decorator_admin_only.js

@@ -7,7 +7,6 @@ import { isAdmin$ } from "./model_admin_session.js";
 export default function AdminOnly(ctrlWrapped) {
     return (render) => {
         effect(isAdmin$().pipe(
-            rxjs.distinctUntilChanged(),
             rxjs.map((isAdmin) => isAdmin ? ctrlWrapped : ctrlLogin),
             rxjs.tap((ctrl) => ctrl(render)),
             rxjs.catchError(ctrlError(render)),

public/assets/pages/adminpage/model_admin_session.js

@@ -9,9 +9,11 @@ const adminSession$ = rxjs.merge(
         rxjs.startWith(null),
         rxjs.mergeMap(() => ajax({ url: "/admin/api/session", responseType: "json" })),
         rxjs.map(({ responseJSON }) => responseJSON.result),
-        rxjs.distinctUntilChanged(),
     )
-).pipe(rxjs.shareReplay(1));
+).pipe(
+    rxjs.distinctUntilChanged(),
+    rxjs.shareReplay(1)
+);
 
 export function isAdmin$() {
     return adminSession$;