Disallow rescues to be edited while they are open

[UncleClapton]

Changelog

⚡ Changes

• Open rescues may no longer be edited by normal users while the rescue is open

Additional Information

Contributor's Checklist

• This PR was created to resolve an existing issue or set of issues.
• This PR satisfies any and all acceptance criteria laid out by issue(s) it resolves.
• I have discussed creating this PR with the maintainers in the issue(s) beforehand.
• I have thoroughly tested the changes this PR introduces in a local development environment.
• I have linted the entire codebase using yarn lint and confirmed there are no errors or warnings.
• I have followed the commit conventions laid out by CONTRIBUTING.md.

Maintainer's Checklist

• User-facing changes this PR introduces has been or will be documented in CHANGELOG.md.
• This PR has been linted and tested locally as a part of the review process.
• All issues this PR resolves have been properly linked before merging.