This ports the leave room dialog to QML, everywhere. There are now no differences between the various leave dialogs.

QML the join room dialog

Support bootstrapping crosssigning

QML the logout dialog

Showing the bootstrap state and showing there are unverified devices is
still missing.

Added support for refreshing the device list & marking current device with a checkmark instead of a lock

Added support for refreshing the device list, marking current device with a checkmark instead of a lock

Reorganize all the dialogs into the dialogs folder

Fix some strings and translation stuff

Currently translated at 100.0% (569 of 569 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 72.9% (415 of 569 strings)

Co-authored-by: Tnpod <tmpod@pm.me>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 72.5% (413 of 569 strings)

Co-authored-by: Tnpod <tmpod@pm.me>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 8.9% (51 of 569 strings)

Translated using Weblate (Portuguese (Brazil))

Currently translated at 8.9% (51 of 569 strings)

Co-authored-by: Terry Cukerberg <zscecnur@sharklasers.com>
Co-authored-by: zerowhy <zerowhy.server@protonmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_BR/
Translation: Nheko/nheko

Currently translated at 99.8% (568 of 569 strings)

Co-authored-by: Tirifto <tirifto@posteo.cz>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/eo/
Translation: Nheko/nheko

Co-authored-by: Linerly <linerly@protonmail.com>

Currently translated at 59.9% (341 of 569 strings)

Co-authored-by: Tnpod <tmpod@pm.me>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 24.4% (139 of 569 strings)

Co-authored-by: Tnpod <tmpod@pm.me>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 17.7% (101 of 569 strings)

Translated using Weblate (Portuguese (Portugal))

Currently translated at 17.7% (101 of 569 strings)

Co-authored-by: Tnpod <tmpod@pm.me>
Co-authored-by: Weblate <noreply@weblate.org>
Co-authored-by: Xenovox <xeyesvox@gmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 17.5% (100 of 569 strings)

Co-authored-by: Xenovox <xeyesvox@gmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/pt_PT/
Translation: Nheko/nheko

Currently translated at 100.0% (569 of 569 strings)

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

Added the rest of Polish translations.

Currently translated at 99.8% (568 of 569 strings)

Co-authored-by: -- <spdrespudro@yahoo.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fi/
Translation: Nheko/nheko

Added more Polish translations.

Currently translated at 96.8% (551 of 569 strings)

Co-authored-by: -- <spdrespudro@yahoo.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fi/
Translation: Nheko/nheko

Fixes for images and commandline options