- Removed State Succeeded/Failed from transitions as it currently does not make sense
- Change "Add Routine" button to "Add State"
-Rrenamed routines to SubTrees, generally support just one
- Add a root node by default
#jira UE-140363
#rb Yoan.StAmant
#preflight 61f3a6bf801201ab387c9b99
#ROBOMERGE-AUTHOR: mikko.mononen
#ROBOMERGE-SOURCE: CL 18769095 in //UE5/Release-5.0/... via CL 18769102 via CL 18769116
#ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v903-18687472)
[CL 18769117 by mikko mononen in ue5-main branch]