fixes #1590

Not just when any setting is modified...

fixes #1563

fixes #1560

fixes #1561

fixes #1600

Set AppStream id to im.nheko.Nheko.desktop

Co-authored-by: DeepBlueV7.X <nicolas.werner@hotmail.de>

Currently translated at 100.0% (1037 of 1037 strings)

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

Currently translated at 100.0% (1037 of 1037 strings)

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

Currently translated at 100.0% (1037 of 1037 strings)

Co-authored-by: Poesty Li <poesty7450@gmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/zh_Hans/
Translation: Nheko/nheko