Also better formattin

Ref:

b9a95a055a (commitcomment-52203708)

The macOS version of `pidof` doesn't implement the `-s` flag.

Signed-off-by: Aisha Tammy <floss@bsd.ac>

this way if a folder is added or deleted in the remote
location, and gets deleted after sync, it is reflected
in the next opening

Signed-off-by: Aisha Tammy <floss@bsd.ac>

in accordance with #694

This reverts commit c95428f0f1.

A user reports notifications not working on their setup because there is
no display id  contained in the `ps`/`pgrep` output  concerning the Xorg
process.

This commit checks if there's a display server running at all, and if so
it sends notifications even if there's no display id.

Resolves https://github.com/LukeSmithxyz/mutt-wizard/issues/661

remove old vars like pass_prefix, muttdir
reorder mailbox detection to find inbox case and later delim
offline delim set to _ which should avoid most issues