[type:feat]shenyu-dashboard namespace adaptation modification

[xcsnx]

Description

Currently, the shenyu is undergoing a namespace modification, so the shenyu-dashboard must be adapted accordingly. The following tasks need to be completed:

Task List

• 1. Add a new namespace management. @xcsnx
• 2. Add a new namespace common component. @VampireAchao
• 3. Modify the plugin management page.@xcsnx @VampireAchao
• 4. Modify the selector and rule page. @VampireAchao
• 5. Modify the data-permission.
• Waiting for update......

[VampireAchao]

no problem