Fix high level translation settings experience for Canvas

Gábor Hojtsyrequested to merge
issue/canvas-3591740:3591740-fix-explanation-of-lack-of-canvas-page-language-support-to-account-for-varied-use-cases into 1.x

[Description of changes]

Testing instructions

  • First step for someone to test the changes in this MR

Closes #3591740

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