fix merge box icon color bug (#10974)
fix merge box icon color bug (#10974)

that because need some space beturn ``text`` and color defines

Signed-off-by: a1012112796 <0a2492404be0c6c42b907cdcd1cb97449035f950@qq.com>
cez81/gitea,vdbt/gitea,go-gitea/gitea,cez81/gitea,lafriks/gitea,lafriks/gitea,sapk-fork/gitea,lafriks/gitea,sapk-fork/gitea,go-gitea/gitea,cez81/gitea,sapk-fork/gitea,vCaesar/gitea,sapk-fork/gitea,go-gitea/gitea,vCaesar/gitea,vdbt/gitea