As discussed in [this
RFC](https://github.com/payloadcms/payload/discussions/12729), this PR
supports collection-scoped folders. You can scope folders to multiple
collection types or just one.
This unlocks the possibility to have folders on a per collection instead
of always being shared on every collection. You can combine this feature
with the `browseByFolder: false` to completely isolate a collection from
other collections.
Things left to do:
- [x] ~~Create a custom react component for the selecting of
collectionSlugs to filter out available options based on the current
folders parameters~~
https://github.com/user-attachments/assets/14cb1f09-8d70-4cb9-b1e2-09da89302995
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- To see the specific tasks where the Asana app for GitHub is being
used, see below:
- https://app.asana.com/0/0/1210564397815557
12539c61d4