Fix panic in /preview/channel/{id}

scnserver/db/impl/primary/keytokens.go

@@ -1,12 +1,13 @@
 package primary
 
 import (
+	"strings"
+	"time"
+
 	"blackforestbytes.com/simplecloudnotifier/db"
 	"blackforestbytes.com/simplecloudnotifier/models"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/sq"
-	"strings"
-	"time"
 )
 
 func (db *Database) CreateKeyToken(ctx db.TxContext, name string, owner models.UserID, allChannels bool, channels []models.ChannelID, permissions models.TokenPermissionList, token string) (models.KeyToken, error) {
@@ -67,7 +68,7 @@ func (db *Database) GetKeyTokenByID(ctx db.TxContext, keyTokenid models.KeyToken
 	return sq.QuerySingle[models.KeyToken](ctx, tx, "SELECT * FROM keytokens WHERE keytoken_id = :cid AND deleted=0 LIMIT 1", sq.PP{"cid": keyTokenid}, sq.SModeExtended, sq.Safe)
 }
 
-func (db *Database) GetKeyTokenByToken(ctx db.TxContext, key string) (*models.KeyToken, error) {
+func (db *Database) GetKeyTokenByTokenOpt(ctx db.TxContext, key string) (*models.KeyToken, error) {
 	tx, err := ctx.GetOrCreateTransaction(db)
 	if err != nil {
 		return nil, err