When normalizing template names, don't split inside parenthesis.
When normalizing template names, don't split inside parenthesis.

This prevented the proper normalizing of template where one of the argument in a function type with more than one
function argument.

This fixes ROOT-11013.

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