[VecOps] Fix ROOT-9669: value printing of RVec<T> where T does not have an operator<<
[VecOps] Fix ROOT-9669: value printing of RVec<T> where T does not have an operator<<

this has been resolved relying on value printing itself for the individual items.

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