[TChain] Fix name parsing for TChain::[Add,AddFile]
[TChain] Fix name parsing for TChain::[Add,AddFile]

root-mirror/root,olifre/root,olifre/root,olifre/root,olifre/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,olifre/root,olifre/root,karies/root,karies/root,olifre/root,karies/root,root-mirror/root,karies/root,karies/root,karies/root,karies/root,root-mirror/root,root-mirror/root,karies/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,karies/root,root-mirror/root