fix: apply target userId when setting display mode

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

lib/Service/ShareService.php

@@ -339,7 +339,7 @@ public function updateDisplayMode(int $shareId, int $displayMode, string $userId
 				}
 			}
 
-			return $this->contextNavigationMapper->setDisplayModeByShareId($shareId, $displayMode, '');
+			return $this->contextNavigationMapper->setDisplayModeByShareId($shareId, $displayMode, $userId);
 		} catch (DoesNotExistException $e) {
 			$this->logger->error($e->getMessage(), ['exception' => $e]);
 			throw new NotFoundError(get_class($this) . ' - ' . __FUNCTION__ . ': '.$e->getMessage());