translation memory re-build shows wrong error if component does not exist

[rhofer]

Describe the issue

This is a follow-up (bug report) to #7347

Rebuild TM: When trying the rebuild button under a certain project, where the belonging component has been moved to another project (means not existant in this project anymore), a permission denied message is shown:

It took me quite a while to figure out why this permission denied is shown, what actually has nothing to do with permissions.

I already tried

• I've read and searched the documentation.
• I've searched for similar issues in this repository.

Steps to reproduce the behavior

1. Go to "Project" > Manage > Translation memory
2. Pick a memory from a component which is still listed as TM under this project BUT the component itself has been moved to another project, meanwhile. Press TM "rebuild" button.
3. Permission denied message is shown > not really useful error message.

Expected behavior

When trying to rebuild a TM where the component does not exist anymore or has been moved, please

• show appropriate error message, or
• besides error message, offer to delete this TM in same dialogue

Screenshots

No response

Exception traceback

No response

How do you run Weblate?

Docker container

Weblate versions

No response

Weblate deploy checks

No response

Additional context

No response

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