Bug Fix [1843274]: Sample app does not close all content when showing layout by predefined xml doc which causes an error.
Bug Fix [1843274]: Sample app does not close all content when showing layout by predefined xml doc which causes an error.

compborg/dockpanelsuite,15070217668/dockpanelsuite,rohitlodha/dockpanelsuite,elnomade/dockpanelsuite,dockpanelsuite/dockpanelsuite,xo-energy/dockpanelsuite,ArsenShnurkov/dockpanelsuite,modulexcite/O2_Fork_dockpanelsuite,shintadono/dockpanelsuite,thijse/dockpanelsuite,15070217668/dockpanelsuite,Romout/dockpanelsuite,joelbyren/dockpanelsuite,jorik041/dockpanelsuite,RadarNyan/dockpanelsuite,transistor1/dockpanelsuite,angelapper/dockpanelsuite