/claim #35898 Resolves #35898

Summary of key changes:

1. Add file name search/Go to file functionality to repo button row.
2. Add backend functionality to delete directory
3. Add context menu for directories with functionality to copy path & delete a directory
4. Move Add/Upload file dropdown to right for parity with Github UI
5. Add tree view to the edit/upload UI

Detailed breakdown:

1. Add search functionality to tree view

Added file search to repo view using existing searchfilterRepoFilesWeighted, with new modal to display the search results. User can navigate through search results using keyboard to scroll, select and escape the search on top of using mouse. No matches found notice when no results are found. Replacing the existing FindFiles page.

https://github.com/user-attachments/assets/df75409e-9a4c-474b-9c9c-d16a44dce896

2. Add backend functionality to delete directory

Modified the DeleteFilePost endpoint and related services to also allow for deletion of whole directories to support the “Delete directory” menu option added to the context menu.

3. Add context menu for directories with functionality to copy permalink & delete a directory

Added context menu for “Copy Permalink” & “Delete directory” supported by backend change listed above.

https://github.com/user-attachments/assets/cb77d1e2-5c15-470c-b693-ecfc7719dea5

4. Move Add/Upload file dropdown to right for parity with Github UI

Minor change to move this option to the right since already existed.

5. Add tree view to the edit/upload & patch UI