fix: try removing attachment and fail silently if not attached

[PierreSchwang]

Overview

Fixes #3025

Description

should "fix" the issue (or rather, suppress the exception if the attachment is not part of the permissible - which is okay as the intention is to remove it either way ig)

### Submitter Checklist
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- [x] Ensure that the pull request title represents the desired changelog entry.
- [x] New public fields and methods are annotated with `@since TODO`.
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