feature RoutingState NavigateBack Result Type To IRoutableViewModel closes #2743 #2761
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Changed Routing state to provide the nullable ViewModel upon navigating or Null if the stack is empty
closes #2743
What kind of change does this PR introduce?
feature
What is the current behaviour?
NavigateBack returns a Unit
What is the new behaviour?
NavigateBack returns a nullable IRoutableViewModel
What might this PR break?
may produce compile errors if there is currently a usage of the NavigateBack provided Unit
Please check if the PR fulfils these requirements
Other information: