Add Translation keys

[cyril59310]

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Description

I have added missing translation keys as well as those for the new console alert message. Fixes #(issue)

Type of change

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• User interface (UI)

Checklist

• [x] My code follows the style guidelines of this project
• [x] I ran ESLint and other linters for modified files
• [x] I have performed a self-review of my own code and tested it
• [ ] I have commented my code, particularly in hard-to-understand areas (including JSDoc for methods)
• [x] My changes generate no new warnings
• [ ] My code needed automated testing. I have added them (this is optional task)

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