fix: retrieve read-only state for realtime user status adapter from connection

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

backend/src/realtime/realtime-note/test-utils/mock-connection.ts

@@ -112,7 +112,8 @@ export class MockConnectionBuilder {
         this.username ?? null,
         displayName,
         connection,
-        this.includeRealtimeUserStatus === RealtimeUserState.WITH_READWRITE,
+        () =>
+          this.includeRealtimeUserStatus === RealtimeUserState.WITH_READWRITE,
       );
     }