Panel UI freeze during icons scan
## Submitted by mirh
Assigned to **Nick Schermer**
**[Link to original bug (#13418)](https://bugzilla.xfce.org/show_bug.cgi?id=13418)**
## Description
I guess like desktop people don't even notice this, but on my 1.6GHz laptop I have to wait 50 seconds of wrapper-1.0 50% cpu load before I can even just open "start menu".
Could the search be made async/multi-thread?
Version: 0.12
issue