* chore: don't use cache when building release package
* feat: refactor icon widget design
* feat: sync the emoji between page and view
* feat: use cache to store the emoji data to prevent reloading
* feat: customize the emoji item builder
* feat: add i18n and shuffle emoji button
* fix: integration test
* feat: replace emoji picker in Grid and slash menu
* feat: support adding icon on mobile platform
* feat: support adding and removing icon on mobile
* test: add integration tests
