fix: add restart_again flag to DesiredStatus::Restarting

When a restart is requested while the service is already restarting
(stopped but not yet started), set restart_again so the actor will
perform another stop→start cycle after the current one completes.

web/projects/ui/src/app/services/api/embassy-mock-api.service.ts

@@ -1289,7 +1289,7 @@ export class MockApiService extends ApiService {
         op: PatchOp.REPLACE,
         path,
         value: {
-          desired: { main: 'restarting' },
+          desired: { main: 'restarting', restartAgain: false },
           started: null,
           error: null,
           health: {},