Squashed 'bundle/chat/' changes from b93b935..d009fd2

d009fd2 close button padding update

git-subtree-dir: bundle/chat
git-subtree-split: d009fd247410151ba991b27d3a9d17d015a0cc38
Merge commit '257fe9d704dba349f105cffd968e0095f22165ba'
upgrade instuction