Modification of HanOutputFile Version 2 processing in 22.0

Modification of V2.3 processing to work well with all clients

See merge request !58410 (merged)

(cherry picked from commit 70b5ed36)

2a2c5137 HanOutput adapted to work with V2 han output files c5a0d6f3 HanOutputFile adapted for V2 han output files 1b0e82e5 Getting rid of conflicts with Athena 857c22c1 Getting rid of conflicts with Athena2 2b2d34bf Upgraded V2.3 to V2.3.1 57e08fd1 Adapted to work with V2.3.1 of han output files 00551b13 Adapted HanOutputFile for webdisplay: 6b2c7d33 Debugging in containsKeyInJSON to correctly otput objects in strings 3bc15e5e Modified getInfo function to work without double parsing in webdisplay 4959b516 null --> {} in empty Results or Config JSON str 563d002f Added code for HanOutputFile back translation V2->V1 73e0557c Histrograms drawing changed in HanOutputFile.cxx 73d2d3b2 Deleted some conflicts with Athena 539d37a3 Styling according to ATLAS rules