Add file system in completion

Submitted by d.j.a.y

Assigned to Nick Schermer

Link to original bug (#12326)

Description

Adding file system information to completion give two things :

• First, give quick access for application parameters appfinder:mousepad ~/.config/Mousepad/accels.scm

• Second, give quick access to no system wide installed application / scripts

Version: 4.12.0