- avoided call to CopyFile for texture files, was failing because it was copying file onto itself
#jira UE-150966
#preflight 627903eb822bdc69f0021b95
#rb JeanLuc.Corenthin
#lockdown jeanmichel.dignard
#ROBOMERGE-AUTHOR: kerim.borchaev
#ROBOMERGE-SOURCE: CL 20471781 in //UE5/Release-5.0/... via CL 20472640
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v954-20466795)
[CL 20475260 by kerim borchaev in ue5-main branch]