3223: Refactorying of hierarchical name (viewer) comparator

Issue-Ref: 3223
Signed-off-by: Alexander Diewald <diewald@fortiss.org>

* Walk up the model hierarchy regardless if the current element
  matches the given targetClass

Issue-Ref: 3223
Issue-Url: https://af3-developer.fortiss.org/issues/3223



Signed-off-by: Simon Barner <barner@fortiss.org>

Issue-Ref: 3223
Issue-Url: https://af3-developer.fortiss.org/issues/3223



Signed-off-by: Simon Barner <barner@fortiss.org>

* All clients of this class performed a type check

Issue-Ref: 3223
Issue-Url: https://af3-developer.fortiss.org/issues/3223



Signed-off-by: Simon Barner <barner@fortiss.org>

* Generalize interface to IModelElement
* Use anonymous class in GenericAnnotationView to adapt AnnotationEntry
  elements

Issue-Ref: 3223
Issue-Url: https://af3-developer.fortiss.org/issues/3223



Signed-off-by: Simon Barner <barner@fortiss.org>

* This is neither tooling.base nor UI specific
* Retain GREEN ratings since there is no change in the code (only the
  class comment has slightly been updated)

Issue-Ref: 3223
Issue-Url: https://af3-developer.fortiss.org/issues/3223



Signed-off-by: Simon Barner <barner@fortiss.org>