Fix some errors given by GCC

Currently translated at 100.0% (1000 of 1000 strings)

Translated using Weblate (Chinese (Simplified))

Currently translated at 100.0% (1000 of 1000 strings)

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

Currently translated at 92.6% (926 of 1000 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 0.5% (5 of 1000 strings)

Co-authored-by: Farooq Karimi Zadeh <fkz@riseup.net>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fa/
Translation: Nheko/nheko

Co-authored-by: Farooq Karimi Zadeh <fkz@riseup.net>

Currently translated at 96.1% (961 of 1000 strings)

Translated using Weblate (Chinese (Simplified))

Currently translated at 96.1% (961 of 1000 strings)

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

Currently translated at 92.5% (925 of 1000 strings)

Co-authored-by: Integral <integral@murena.io>
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/zh_Hans/
Translation: Nheko/nheko

Currently translated at 100.0% (1000 of 1000 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% (1000 of 1000 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% (490 of 490 strings)

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

fix: duplicate id

Currently translated at 99.8% (941 of 942 strings)

Translation: Nheko/nheko
Translate-URL: https://weblate.nheko.im/projects/nheko/nheko-master/fi/

Currently translated at 100.0% (942 of 942 strings)

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

Currently translated at 99.6% (939 of 942 strings)

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

Fix the color on the insufficient powerlevel warning

QML the reCAPTCHA dialog