Resolve "Skip loading English Frontend Translation File"

Merged Tim Zallmann requested to merge 38845-skip-loading-english-frontend-translation-file into master

What does this MR do?

It skips loading the js translation file if the current language is English and it also removes the loaded translations from the global object to save memory.

Why was this MR needed?

Performance Optimisation

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #38845 (closed)

Edited by Tim Zallmann