fix(submissions): allow user to resolve themself for auth'stmt'

src/Handler/Submission/Helper.hs

@@ -181,6 +181,7 @@ makeSubmissionForm cid sheetEnt@(Entity shid _) msmid uploadMode grouping mPrev
 
         prefillUsers' <- lift . lift . fmap catMaybes . for (Set.toList prefillUsers) $ \case
           Right uid' | doAuthorshipStatements
+                     , uid /= uid'
                        -> fmap (Left . userEmail) <$> get uid'
           other -> return $ pure other