[bug] reordering of pasties does not persist when editing an existing paste

[oliverbooth]

describe the bug
when editing an existing paste, reordering a pasty does not seem to remember those changes

to reproduce
steps to reproduce the behavior:

1. create a new paste with two or more pasties
2. once created, edit the paste
3. reorder pasties
4. save
5. view paste page. it does not save

expected behavior
custom order should be persistent when editing an existing paste

screenshots
n/a

device and browser:

• os: n/a
• browser: n/a
• browser version: n/a

additional context
n/a

[CodeMyst]

The editing system doesn't support re-ordering of pasties at all it seems. But the editor still has those buttons which are left from the home page when you are creating a paste.

Thanks for reporting.