fixes #1030

CreateRoom dialog in QML

Currently translated at 100.0% (702 of 702 strings)

Co-authored-by: Jaron Viëtor <jaron@v8or.nl>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/nl/
Translation: Nheko/nheko

Currently translated at 100.0% (702 of 702 strings)

Translated using Weblate (French)

Currently translated at 100.0% (702 of 702 strings)

Co-authored-by: Eldred HABERT <stuff@eldred.fr>
Co-authored-by: Glandos <bugs-github@antipoul.fr>
Co-authored-by: Weblate <noreply@weblate.org>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fr/
Translation: Nheko/nheko

Don't send thumbnails that are larger than the original

- Set PNG compression to maximum
- Don't upload thumbnail if it is not at least 10% smaller than  the
  original

Currently translated at 100.0% (702 of 702 strings)

Co-authored-by: Linerly <linerly@protonmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/id/
Translation: Nheko/nheko

Currently translated at 100.0% (702 of 702 strings)

Co-authored-by: Priit Jõerüüt <nhkwlate@joeruut.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/et/
Translation: Nheko/nheko