changed registration to have blank username on first load

internal/handlers/register.go

@@ -54,14 +54,14 @@ func Register(
 			store.ClearRedirectTrack(r, "/register")
 
 			if r.Method == "GET" {
-				renderSafely(authview.RegisterPage(details.DiscordUser.Username), s, r, w)
+				renderSafely(authview.RegisterPage(""), s, r, w)
 				return
 			}
 			username := r.FormValue("username")
 			unique := false
 			var user *db.User
 			audit := db.NewAudit(r.RemoteAddr, r.UserAgent(), user)
-			if ok := conn.WithNotifyTx(s, w, r, func(ctx context.Context, tx bun.Tx) (bool, error) {
+			if ok := conn.WithWriteTx(s, w, r, func(ctx context.Context, tx bun.Tx) (bool, error) {
 				unique, err = db.IsUnique(ctx, tx, (*db.User)(nil), "username", username)
 				if err != nil {
 					return false, errors.Wrap(err, "db.IsUsernameUnique")
@@ -79,6 +79,7 @@ func Register(
 				}
 				return true, nil
 			}); !ok {
+				throw.InternalServiceError(s, w, r, "Registration failed", err)
 				return
 			}
 			if !unique {