UI resource tree not refreshing automatically correctly

[leopoldHatFertig]

Describe the bug
UI resource tree does not display full/correct/complete list of resources after delete action of resource.
User has to manually refresh to see correct data again.

To Reproduce
Steps to reproduce the behavior:

1. Create Resources with children
2. Refresh resource tree (just to make sure to have the correct view)
3. Delete a resource via UI
4. UI shows incomplete resource tree. Some existing resources are missing.
5. Manually refresh page -> resource tree now show complete list again.

Expected behavior
UI displays complete/correct resource tree directly when re-building resource tree after delete action.

Screenshots/Video
https://user-images.githubusercontent.com/49842684/136230502-0cdd7a5a-d30f-4bd1-9771-2666233ad340.mp4

Environment:
---------------------------- Package Version Targets:
MoryxPlatformVersion 3.1.1
MoryxClientFrameworkVersion 3.0.0
MoryxMaintenanceWebVersion 3.0.1
MoryxAbstractionLayerVersion 5.7.0
MoryxFactoryVersion 4.0.0-dev.27
MoryxControlSystemVersion 4.0.0-beta.5

---------------------------- UI Package References:
PackageReference Include="Common.Logging.Log4Net208" Version="3.4.1" />
PackageReference Include="log4net" Version="2.0.8" />
PackageReference Include="Moryx.ClientFramework.Configurator" />
PackageReference Include="Moryx.ClientFramework.Kernel" />
PackageReference Include="Moryx.ClientFramework.SimpleShell" />
PackageReference Include="Moryx.ControlSystem.UI.Shell" Version="4.0.0-beta.5" />
PackageReference Include="Moryx.Resources.UI.Interaction" />
PackageReference Include="Moryx.Products.UI.Interaction" />
PackageReference Include="Moryx.Workflows.UI.Editor" />
PackageReference Include="Moryx.Orders.UI.Management" />
PackageReference Include="Moryx.Resources.UI.AssemblyInstruction" />