New beta 0.20.3.639

Fixed keyboard glitches on some android vesions / keyboard software.

Do following:
1. Open chat
2. Open Emoji keyboard (without opening android keyboard)
3. Open Android keyboard by tapping on the input field.
4. Tap emoji icon (android keyboard will hide, emoji keyboard will appear)
5. Tap keyboard icon (emoji keyboard will hide, android keyboard will appear)

Report if you see issues at any step or some other issue with keyboard: @ChallegramTesting