fix(ui): preselect folder when bulk uploading from inside a folder

[aqib-io]

What?

Preselect the current folder when triggering bulk upload from inside a folder view.

Why?

When bulk uploading from inside a folder, all files show "No Folder" instead of the current folder. Users have to manually assign each file to the folder, which is tedious and easy to miss. See #15647

How?

• Added folderID to BulkUploadContext to pass folder state from the button to the drawer
• In ListBulkUploadButton, read folderID from useFolder() and set it on the context when opening bulk upload
• In FormsManager, inject the folderID into each form's initial state so the folder field is pre-populated

Fixes #15647

[aqib-io]

nit: BulkUploadContext types folderID as number|string but state and defaults use undefined; worth aligning the type (e.g. optional) so strict TS consumers do not get impossible required-field errors.

Good catch. updated folderID to optional. Thanks for the review!

[aqib-io]

Approach looks right — passing the current folderID from useFolder() into the bulk upload context so newly uploaded files land in the correct folder. One thing to watch: folderFieldName defaults to undefined if folders config is missing. That guard on line 108 (folderID && folderFieldName && baseState?.[folderFieldName]) handles it, but worth confirming the setFolderID(undefined) reset on drawer close doesn't cause issues if the folder context changes between opens.

Thanks! Confirmed — setFolderID(undefined) resets the state when the drawer closes, and on the next open, ListBulkUploadButton sets the fresh folderID from useFolder() before opening the modal. So if the user navigates to a different folder and opens bulk upload again, it picks up the new folder correctly.