Pajamas migrations

What does this MR do and why?

Diff fork cancel button

Screenshots or screen recordings

Before	After

How to set up and validate locally

I couldn't work out how to get this to display. In app/assets/javascripts/diffs/components/diff_file.vue

• delete L404
• remove v-else from L423

1. Force the button to display following the instructions above
2. Go to an MR with file changes
3. Go to the changes tab

Closes #428141 (closed)

Diff truncated error retry button

Screenshots or screen recordings

Before	After

How to set up and validate locally

I couldn't work out how to get this to display. In app/assets/javascripts/notes/components/diff_with_note.vue

• delete v-if="error" from L129
• delete L135–L139

1. Force the button to display following the instructions above
2. Go to an MR with text file changes
3. Add a comment to the file
4. See changes in MR Activity list

Closes #428150 (closed)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.