NocoBase v2.0.55: Prompt on duplicate table name when saving to vector database

[AI employees] Prompt on duplicate table name when saving to vector database (#9497) by @cgyrock
[AI: Knowledge base] Prompt on duplicate table name when saving to vector database by @cgyrock

[client]
- Fixed an issue where current popup record variables could not be resolved in action button event flows. (#9495) by @gchust
- Fixed an issue where JS field values in subforms were not correctly set during form submission. (#9496) by @gchust
[File manager] Fix file manager tx-cos uploads missing file size metadata. (#9499) by @mytharcher
[Data source: Main] Fix the issue where field options are written into the schema after syncing fields (#9505) by @2013xile
[WEB client] Clean blocks data after remove menus. (#9459) by @gchust
[AI employees] Fix AI employee OSS file read errors (#9493) by @cgyrock
[Action: Import records] Fix the issue where imported record on date-like fields shows wrong date (#9463) by @mytharcher
[Action: Export records Pro] Fix the issue where error thrown when export attachment from attachment url field by @mytharcher
[Action: Import records Pro] fix timezone handling for pro xlsx imports by @mytharcher