fix(permissions): validate network access flow

frontend/src/adapters/mock/index.ts

@@ -2295,6 +2295,10 @@ export class MockPermissionGateway implements PermissionGateway {
       effective: wanted ?? "ask",
       runtimeLock: { state: "none" },
       control: { mode: "editable" },
+      runtimeControl: {
+        mode: "readOnly",
+        reason: "No active runtime network permission state is currently observed.",
+      },
     };
   }