Fix permission issues within Registry data on docker startup

Author: Manuel Grabowski

docker/assets/update-permissions

@@ -91,7 +91,11 @@ fi
 
 # Fix registry storage
 if id -u registry; then
-    chown_if_exists -R registry:git /var/opt/gitlab/gitlab-rails/shared/registry
+	if [ -e "/var/opt/gitlab/gitlab-rails/shared/registry" ]; then
+		find /var/opt/gitlab/gitlab-rails/shared/registry -type d -exec chmod 755 {} \;
+		find /var/opt/gitlab/gitlab-rails/shared/registry -type f -exec chmod 744 {} \;
+	fi
+	chown_if_exists -R registry:git /var/opt/gitlab/gitlab-rails/shared/registry
 fi
 
 # Fix mattermost storage