Merge branch 'hotfix/#6303-fix-#5144-ttl-tests-stability'

Close #6303
Close #5144
Merge branch 'hotfix/#6266-delegator-support-in-mvc-service-config'

Close #6266
Fixes typo
Merge branch 'typo/#6325-session-exception-typo'

Close #6325
Merge branch 'typo/#6325-session-exception-typo' into develop

Close #6325
Forward Port #6325
Create failing test for merging allowEmpty
Fix merging of allowEmpty flag
Merge branch 'DASPRiD-bugfix/merging-inputs-with-allow-empty' into develop