implements MSC3700

see https://github.com/matrix-org/matrix-spec-proposals/pull/3700

Currently translated at 89.8% (631 of 702 strings)

Co-authored-by: Aminda Suomalainen <suomalainen+git@mikaela.info>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fi/
Translation: Nheko/nheko

Currently translated at 89.3% (627 of 702 strings)

Co-authored-by: Aminda Suomalainen <suomalainen+git@mikaela.info>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fi/
Translation: Nheko/nheko

Close current room on Ctrl+W

Don't treat a space as a direct chat

Fix room alias issue (#354)

fixes #1030

CreateRoom dialog in QML