[stable31] fix: replace deprecated translation methods

[backportbot]

Backport of PR #6567

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 40 lines in your changes missing coverage. Please review.

Project coverage is 47.37%. Comparing base (74c56e8) to head (e65b231).
Report is 3 commits behind head on stable31.

Files with missing lines	Patch %	Lines
src/components/Modal/Translate.vue	0.00%	38 Missing ⚠️
src/components/Assistant.vue	0.00%	1 Missing ⚠️
src/components/Menu/MenuBar.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## stable31 #6981 +/- ##
=========================================
Coverage 47.36% 47.37% =========================================
Files 751 741 -10 Lines 34714 34707 -7 Branches 1285 1275 -10 =========================================
Hits 16444 16444 - Misses 17650 17653 +3 + Partials 620 610 -10 

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