feat: comet dashboard功能增强

[benym]

🔎 Existing issue check

• I have searched the existing issues.

🧭 Problem

1. 用户希望change名字能够复制

2.用户希望对于多个持有comet产物的项目，图中位置可以增加下拉，目前需要在多个项目里面启动服务，比较不方便

✨ Proposed solution

第2点依赖于#173 #178 的完成

🎯 Primary area

Dashboard (domains/dashboard)

🪐 Workflow phase

Not phase-specific

🔀 Alternatives considered

No response

🧰 Compatibility notes

No response

🧩 Additional context

No response