Keep source view column order upgrade-safe

runtime/nextcloud/update-showcase-source-view.sql

@@ -1,12 +1,12 @@
 CREATE OR REPLACE VIEW piwigo_showcase_sources AS
 SELECT
   s.id AS share_id,
-  s.item_type,
   s.file_target AS display_name,
   st.id AS storage_id,
   f.path AS source_path,
   s.accepted,
-  s.permissions
+  s.permissions,
+  s.item_type AS item_type
 FROM oc_share AS s
 JOIN oc_filecache AS f ON f.fileid = s.file_source
 JOIN oc_storages AS st ON st.numeric_id = f.storage