This PR adds a right-click action to the breadcrumb button to copy the
path, when there is some (i.e., untitled buffers and others won't have
this feature).


https://github.com/user-attachments/assets/94ece12c-3071-4a07-a04d-8d89e10fd59e

Release Notes:

- Added the ability to right-click the breadcrumb button when it's a
file path and copy the path.