Improve i18n support and add missing translations #6919

Job	Run time
Build App Image	8m 31s
Build App Image	8m 31s
Build Image (nikolaik/python-nodejs:python3.12-nodejs22, nikolaik)	3h 18m 15s
Build Image (nikolaik/python-nodejs:python3.12-nodejs22, nikolaik)	17m 32s
Verify Hash Equivalence in Runtime and Docker images	1s
RT Unit Tests (Root)	1s
Update PR Description	1s
Update PR Description	5s
RT Unit Tests (openhands)	1s
All Runtime Tests Passed	1s
All Runtime Tests Passed	0s
All Runtime Tests Passed	1s
All Runtime Tests Passed	1s
Verify Hash Equivalence in Runtime and Docker images (nikolaik)	49s
RT Unit Tests (openhands) (nikolaik)	14m 34s
RT Unit Tests (Root) (nikolaik)	14m 38s
	4h 23m 2s

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