Move DebugColor assignement code in DataLayerFactory
Debug Color now uses the DataLayerAsset full path instead of its name to avoid clashing
#rb jeanfrancois-dube
#ROBOMERGE-AUTHOR: philippe.deseve
#ROBOMERGE-SOURCE: CL 19396953 via CL 19396960
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v926-19321884)
[CL 19402995 by philippe deseve in ue5-main branch]
f3b651421c