Select Existing File: Show files according to Host/Folder

[nicobytes]

Parent Issue

https://github.com/dotCMS/core/issues/29873

Task

Show files according to Host/Folder selected.

Proposed Objective

User Experience

Proposed Priority

Same as Parent Issue

Acceptance Criteria

1. In the File field, there is a "Select Existing File" option.
2. Clicking on this option opens a popup
3. Hosts/Folders should appear on the left side.
4. Navigate through the levels
5. Select a folder/host
6. Files should be loaded

Screenshot

The UI should be similar to the Dojo dialog.

List mode

Grid mode