Related #9386

Fix #9393

* Improve Dockerfile

* Update base image

* Add copy layer

* Delete unused RUN

* Update Dockerfile

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

* enhance: update emoji picker immediately on all input

* refactor: remove reference to window.clipboardData

* refactor: done() receives a string

* refactor: typescript-favored `.char` access

Close #9376