1) When you're running system updates, the desktop file database is updated many times in quick succession. This ensures we never refresh more than once every 3 seconds during that period.
2) There's a race condition between when a new desktop file is added and when its icon is available. If we wait a bit, there's less chance of us being too quick for the icon to be ready.
Also added a null check in AppListRow to prevent some criticals in the console when a null icon does occur.
This helps with a couple of things:
1) When you're running system updates, the desktop file database is updated many times in quick succession. This ensures we never refresh more than once every 3 seconds during that period.
2) There's a race condition between when a new desktop file is added and when its icon is available. If we wait a bit, there's less chance of us being too quick for the icon to be ready.
Also added a null check in
AppListRowto prevent some criticals in the console when a null icon does occur.