- Removed all jQuery AJAX calls and replaced with our fetch wrapper
- Tested the file addition and removal functionality and it works as
before
# Demo using `fetch` instead of jQuery AJAX

---------
Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: silverwind <me@silverwind.io>
(cherry picked from commit bfb0a5a41ecb040f66ab664e22250571f339826a)