Steps to replicate the issue (include links if applicable):
- Start editing a page
- Close the collapsible footers ("Wikidata entities used in this page", "Templates used in this preview", "This page is a member of n hidden categories", "Parser profiling data") below the textbox
- Reload the page
- Confirm the footers are collapsed, i.e. the states are remembered
- Press Ctrl+F and a letter key
- Confirm any of the footers are expanded
- Reload the page
What happens?:
The footers are expanded.
What should have happened instead?:
The collapsed footers stay collapsed.