NocoBase v2.1.0-alpha.25: Support to delete draft approval

[undefined] Update AI docs to require NocoBase >= 2.1.0-beta.20 and recommend latest beta version. (#9252) by @Molunerfinn
[AI employees] Update AI employee shortcut task configuration to use the same skills settings component as workflow AI employee node configuration (#9246) by @cgyrock

[client]
- Fixed an issue where default values would not apply when re-adding a record after it had been removed from a sub-table. (#9192) by @gchust
- filter non-essential optional blocks in the selection pop-up box of related fields (#9224) by @jiannx
[Action: Import records] Fix the issue where import xlsx failed and throw no header matched error (#9253) by @mytharcher
[License settings] update license save success message (#9251) by @jiannx
[AI employees] Fixed the issue where variables in the system prompt of AI employees did not take effect (#9256) by @cgyrock
[IdP: OAuth] Fixed OAuth CLI sign-in failures and restricted dynamic registration to local callback URLs (#9248) by @2013xile
[AI: Knowledge base] Fix issue where deleting knowledge base documents did not delete associated vector data by @cgyrock
[Action: Import records Pro] Fix the issue where import xlsx failed and throw no header matched error by @mytharcher