Could be very usefull or maybe an option to keep all in english even if game is in another language

I agree on this one. I just came here to ask for the same feature.

When playing battlegrounds, i love to share in chat % health of certain Walls when necessary.
Since my client its not in english, the shared text wouldn't be in english either.

i agree on this one, specifically if you play epic BGs, where English is the main language.