fix: Fix a collection of typos found by typos-cli
Fix typos found by typos-cli(https://github.com/crate-ci/typos). Some affected tests are adjusted.
There are a bunch of other typos are ignored, including
- CHANGELOG.md
- NOTICE
- internal/.../migrations/20201208163237_cleanup_notifications_payload.go
- other intended typos or false positives
Edited by Xing Xin