update editors internal coordinate system when done with ApplyOnResidue in RRMRotamer

sidechain/src/rotamer.cc

@@ -54,6 +54,7 @@ void RRMRotamer::ApplyOnResidue(ost::mol::ResidueHandle& res,
     ed.RenameResidue(res, new_res_name);
     res.SetOneLetterCode(ost::conop::ResidueNameToOneLetterCode(new_res_name));
   }
+  ed.UpdateICS();
 }