r2.0.11

1. optimize: remove login require in backend homepage
2. bug fix: can not submit or handle ticket when detail page include time or datetime field and readonly
3. optimize: docker compose deploy use utf8mb4 characterset
4. bug fix: workflow graph page crash if backend api return code -1
5. bug fix: can not upload file in dev env
6. optimize: remove build-in filed's description
7. bug fix: can not submit transition if have expression but no destination state
8. bug fix: can not view file in detail page in dev env
9. optimize: download file in detail page save as original name
10. optimize: detail page raise exception if no display form configed
11. optimize: some comment in docker compose deploy script
12. bug fix: can not select user's department if department list more than 10
13. bug fix: view list and intervene ticket list return empty if configed