feat: Filter top tags to only include those assigned to at least one item.

src/inc/routes/toptags.mjs

@@ -14,6 +14,7 @@ export default (router, tpl) => {
       LEFT JOIN tags_assign ta ON t.id = ta.tag_id
       WHERE t.id not in (${db.unsafe(nsfp)})
       GROUP BY t.id, t.tag
+      HAVING COUNT(DISTINCT ta.item_id) >= 1
       ORDER BY total_items DESC
       ;
     `;
@@ -23,6 +24,7 @@ export default (router, tpl) => {
       FROM tags t
       LEFT JOIN tags_assign ta ON t.id = ta.tag_id
       GROUP BY t.id, t.tag
+      HAVING COUNT(DISTINCT ta.item_id) >= 1
       ORDER BY total_items DESC
       ;
     `;