When in message editing mode was not possible to cofirm edit and
close edit mode when pressing enter key as the clicked signal
of the StatusButton is called without an argument, aparently that
signal has a var mouse parameter. Passed null as parameter to
get the signal emitted.
Closes#4213
Moved Message component & dependencies to shared
for usage import shared.views.chat 1.0 and accordingly
import shared.controls/panels.chat 1.0
Closes#3927
Alexandra Betouni
Anthony Laibe
Alexandra Betouni
Jonathan Rainville
Khushboo Mehta