[Feature] Make warning screen honors language setting

[mezhgano]

When user change Language in Project Setting, write warning text in same chosen language or let user choose specific language for warning text.
To be precise, this refers to the "Prepend Slate" warning in the Delivery Settings.

[LoadingByte]

Thanks for the report! The slate actually already respects the language configured in the project settings, but the warning message hasn't yet been translated into all languages by the translators:
https://hosted.weblate.org/translate/cinecred/cinecred/en/?checksum=baeb42336173ecb7#translations