Check to detect changed read-only string

[nijel]

Describe the problem

When a string is marked read-only, it can have translations, which are no longer editable. Upon source string change, Weblate would mark translations as needing editing, but it can not because the string is read-only. So, there is no way to indicate this to a user to deal with this.

Describe the solution you'd like

Add check to indicate this has happened:

• Upon source string change on read-only string, check would be triggered
• The actual check code be no-op, it will always stay triggered until manually dismissed

Describe alternatives you've considered

Automatically removing read-only flag upon source string change. This would allow editing of the changed string, but can go unnoticed.

Screenshots

No response

Additional context

No response

[github-actions]

This issue has been added to the backlog. It is not scheduled on the Weblate roadmap, but it eventually might be implemented.

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