[FIX] Keyboard is shown when opening the member list view.

[FIX] Rounded avatars

Merge branch 'develop-2.x' of https://github.com/RocketChat/Rocket.Chat.Android into fix/rounded-avatars

Merge branch 'develop-2.x' of https://github.com/RocketChat/Rocket.Chat.Android into fix/member-list

[FIX] Sign up screen

Show Guggy GIFs attachments

Updates kotlin plugin and fabric tools version

[NEW] Spotlight search if no results found on subscriptions

[NEW] Add capability of adding and clearing reactions to messages

[FIX] Logout

[NEW] Add 'unread messages' marker

[IMPROVEMENT] Add ripple effect on recyclerview items

[FIX] Fix emoji parsing on quote markdown

[FIX] Behavior of messages with attachments/previews