Convert to const in package rocketchat-reactions

addUserToDefaultChannels let to const

Increase tests timeout and stability

restore channels list

Hide UTC offset if user is in the same timezone

remove "Private" button for direct messages

Convert server/startup/migrations to JS

move create channel icon to toolbar

Convert packages/rocketchat-cors to JS

Convert packages/rocketchat-gitlab to JS

Convert packages/rocketchat-github-enterprise to JS

Convert packages/rocketchat-highlight-words to JS

Convert lib server methods to JS

Prevent freezing webhook

Fix for tests failing on start

Change var to let/const in Package file-upload

Convert flextab coffee to JS

New direct message creation tests