fix: Contents is not considered a "Built-in page" for Graph view

close #3265

src/main/frontend/handler/graph.cljs

@@ -115,9 +115,10 @@
                           (seq tagged-pages)
                           (seq namespaces))
             linked (set (flatten links))
+            build-in-pages (set (map string/lower-case default-db/built-in-pages-names))
             nodes (cond->> (map :block/name pages-after-journal-filter)
                     (not builtin-pages?)
-                    (remove (fn [p] (default-db/built-in-pages-names (string/upper-case p))))
+                    (remove (fn [p] (contains? build-in-pages (string/lower-case p))))
                     (not orphan-pages?)
                     (filter #(contains? linked (string/lower-case %))))
             page-links (reduce (fn [m [k v]] (-> (update m k inc)