close AF-2678, AF-2677, AF-2674, AF-2655
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added customizable spacing for dividers.
- Introduced a flexible filter value menu for easier filter editing.
- Added options to control visibility of creation actions in empty
document views.
- **Improvements**
- Enhanced menu components for filter values with a more declarative and
simplified interface.
- Improved vertical alignment in some UI containers.
- Updated divider spacing for more consistent UI appearance.
- **Bug Fixes**
- Menu popups for filters now appear in correct positions.
- **Removals**
- Removed support for the "zotero" integration type from integration
settings and filters.
- **Style**
- Updated CSS for better menu positioning and alignment.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
using a [babel plugin](https://gist.github.com/pengx17/49e24ae8a5a609bdaff122ee8c679d1c) to transform all var(--affine-xxx) to cssVar
Some issues:
- tried ast-grep but it seems to be not easy to add imports conditionally
- current work does not work well with ts with types because babel will strip them out