Currently translated at 100.0% (606 of 606 strings)

Co-authored-by: Joseph Donofry <rubberduckie3554@gmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/en/
Translation: Nheko/nheko

The file ending list is translated, so all the translations are updated
too.

Currently translated at 100.0% (483 of 483 strings)

Co-authored-by: Joseph Donofry <rubberduckie3554@gmail.com>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/en/
Translation: Nheko/nheko

Currently translated at 100.0% (458 of 458 strings)

Co-authored-by: Emilie <em@nao.sh>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/en/
Translation: Nheko/nheko

Currently translated at 97.9% (433 of 442 strings)

Co-authored-by: DeepBlueV7.X <nicolas.werner@hotmail.de>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/en/
Translation: Nheko/nheko

* add username error label, add word wrapping for error labels

* make lint

* last commits

* remove font, and remove some lambdas

* add QRegularExpression for regex

* improve review things

* add isModified() for checkFields()

* add check isModified() for  all fields in checkFields

* Update src/RegisterPage.cpp

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

* remove emit call for showError

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