* feat: switch visible to open for Dropdown
* feat: add warning when use visible
* fix: visible in dropdown-button
* chore: merge conflict
Co-authored-by: 二货机器人 <smith3816@gmail.com>
* feat: add pointAtCenter prop for dropdown
* feat: dropdown support arrow pointing at center
* chore: code clean
* chore: use getPlacements in tooltip
* feat: dropdown support 'top' and 'bottom'
* chore: update snapshot
* chore: move placements to util folder
* feat: make 'topCenter' and 'bottomCenter' in Dropdown deprecated
* test: update snapshot
* test: add test for topCenter and bottomCenter
* test: increase test case of Progress and Comment
* test: add test case for Avatar
* test: add test case for Dropdown
* fix snapshot
* fix snapshot
* remove console.log
* fix lint
* add avatar