[Issue tracker] - Delete attachment

[charliehenrib]

Describe the bug
A clear and concise description of what the bug is
If a user does not have Issue Tracker: Close/Edit/Re-assign/Comment on All Issues, they cannot delete their own attachment.
To Reproduce
Steps to reproduce the behavior (attach screenshots if applicable):
grant permission to only Issue Tracker: Create/Edit Own Issues and Comment on All Issues and with that account add a screenshot.

What did you expect to happen?
A clear and concise description of what you expected to happen.
You should be able to delete the screenshot you added.

[driusan]

Can you test it on the latest release, 24.1?

[kongtiaowang]

24.0 and 24.1 have the same issue. I will send a new PR to fix this issue.