HT_030HK_only_bt_rgb：修改rgb切换亮度规格，改为alt+上下键，优化代码空间
Review Request #7711 — Created Jan. 19, 2024 and updated
| Information | |
|---|---|
| zhangxianye | |
| YC1307 | |
| Reviewers | |
| huachengjiao, luoyuxi, ruanjianbin, zhangxianye | |
HT_030HK_only_bt_rgb：修改rgb切换亮度规格，改为alt+上下键，优化代码空间
Review Request #7711 — Created Jan. 19, 2024 and updated
| Information | |
|---|---|
| zhangxianye | |
| YC1307 | |
| Reviewers | |
| huachengjiao, luoyuxi, ruanjianbin, zhangxianye | |
HT_030HK_only_bt_rgb：修改rgb切换亮度规格，改为alt+上下键，优化代码空间
