#### What type of PR is this?
/area ui
/kind cleanup
#### What this PR does / why we need it:
Migrate to ESLint 9, use flat config file, and simplify ESLint configuration.
Now, linting for all packages will be managed by the configuration in the project root directory.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/area ui
/kind improvement
/milestone 2.21.x
#### What this PR does / why we need it:
Update extension points settings using new configMap API
#### Does this PR introduce a user-facing change?
```release-note
None
```
* refactor: improve entity component layout for better device responsiveness
Signed-off-by: Ryan Wang <i@ryanc.cc>
* Resolve CSS style conflicts
Signed-off-by: Ryan Wang <i@ryanc.cc>
* Update missing translaions
Signed-off-by: Ryan Wang <i@ryanc.cc>
---------
Signed-off-by: Ryan Wang <i@ryanc.cc>
#### What type of PR is this?
/area ui
/kind improvement
/milestone 2.17.x
#### What this PR does / why we need it:
完善插件扩展设置页面：
1. 完善 i18n。
2. 将入口移动至插件页面右上角的操作按钮区域。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/area ui
/kind bug
/milestone 2.17.x
#### What this PR does / why we need it:
修复在扩展点设置页面切换扩展点定义后，扩展定义的选项被清空的问题。
#### Which issue(s) this PR fixes:
Fixes#6164
#### Does this PR introduce a user-facing change?
```release-note
修复在扩展点设置页面切换扩展点定义后，扩展定义的选项被清空的问题。
```
Ryan Wang