[Authorization] make button 'add location' and 'edit location' only to admin

[Extiriority]

Describe the bug
Remove it from normal Employees that only scan, track and print tickets

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.