app crashes when @-mentioning someone while writing a message

[mahibi]

from @jancborchardt :
I can't pin this one down, but sometimes @-mentioning makes the app crash, including losing the message I wrote. Not sure when it appears, but after the crash and reopen it always works.

app version: 21.0.0

[mahibi]

maybe also have an eye on it when solving #4642 ? (fyi @rapterjet2004 )