stopwatch warnings

[kusma]

Stopwatch: Background must be a solid color
Stopwatch:     In: Fuse.Controls.DockPanel (MainView.ux:4)
Stopwatch:     Fuse: C:\Users\erik\AppData\Local\Fusetools\Packages\Fuse.Controls\1.9.0-rc2\Control.Background.uno:38
Stopwatch: Background must be a solid color
Stopwatch:     In: Fuse.Controls.Panel (MainView.ux:17)
Stopwatch:     Fuse: C:\Users\erik\AppData\Local\Fusetools\Packages\Fuse.Controls\1.9.0-rc2\Control.Background.uno:38