Step 3: Invert state authority

### 📝 Description of the feature

Step 3 of the remote rendering work.
Move the state authority to the server. In a remote rendering configuration, the state needs to live on the server side, so we are moving it there for all configurations.

### Acceptance Criteria

Start VISOR locally. Change orientation, part visualization, color by variable, mesh visibility. Open the same session of VISOR in a different browser. The same visualization appears. The server-authorative state means all sessions pointing to the same web address are kept in sync.

### 💵 Business Value

_No response_

### 🔗 Useful links and references

_No response_

issue 中沒有指定檔案或測試。先在本機啟動 VISOR，執行列出的視覺化變更，並檢查遠端轉譯的狀態流程，然後再於相同的 Web 位址上測試兩個瀏覽器。完成的標準是所有工作階段都顯示相同的方向、零件視覺化、變數著色和網格可見性。

由索引模型根據 Issue 內容生成。