Fix regression in checking disabled state

- It should only check the disabled state after the icon graphic
  has been set

Fixes: 333017803
Test: Load with an app pair icon on the workspace
Change-Id: Ic313f98e1e31d673d774f050bb418d359b4bd653
Merged-In: I7242e0c525ef578a54a06fb9137fcfc42c6f0e86