feat: 新增 ZenMux Token Plan 供应商，支持手动凭证与 USD 额度富展示 (#2709)

* feat(Token plan): 增加 ZenMux 支持

* chore: format code with prettier

* chore: format code with cargo fmt

---------

Co-authored-by: 明桓 <jihaodong.jhd@oceanbase.com>
Co-authored-by: Jason <farion1231@gmail.com>

src-tauri/src/tray.rs

@@ -902,6 +902,8 @@ mod tests {
             name: name.to_string(),
             utilization,
             resets_at: None,
+            used_value_usd: None,
+            max_value_usd: None,
         }
     }