testOperationDeserializer ok

Added the missing operation Symbols  on createEmptyUserOperation method
on OperationDeserializer Class. And moved the SelectionChangedOperation
to the right package with the right refactoring associate
Related to issue karlitrotski/CodingSpectator/#35
Pair programming with @JurajKubelka
Move SelectionChangedOperation

delete and move SelectionChangedOperation
to the right package
Related to issue karlitrotski/CodingSpectator/#35 (test coverage).