BS-9145
At the bottom of the migration report, redirect to validation status

refactor runProcessCommand to extract methods for validation call.
create class for validation
add validation when click  exit import mode
Merge branch '6.3.x' of https://github.com/bonitasoft/bonita-studio.git into 6.3.x
Add an entry in 5.x migration report when Reflection is used in Groovy
and Connectors calling process level libraries