Theme switch support (#3568)

### What problem does this PR solve?
- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Jin Hai <haijin.chn@gmail.com>

docker/docker-compose-base.yml

@@ -74,7 +74,7 @@ services:
     command:
       --max_connections=1000
       --character-set-server=utf8mb4
-      --collation-server=utf8mb4_general_ci
+      --collation-server=utf8mb4_unicode_ci
       --default-authentication-plugin=mysql_native_password
       --tls_version="TLSv1.2,TLSv1.3"
       --init-file /data/application/init.sql