fix: when searching for text which is in a collapsed block, it is not opened

close #4017

src/main/frontend/handler/block.cljs

@@ -16,18 +16,6 @@
   [repo page-id]
   (>= (db/get-page-blocks-count repo page-id) initial-blocks-length))
 
-(defn get-block-ids
-  [block]
-  (let [ids (atom [])
-        _ (walk/prewalk
-           (fn [form]
-             (when (map? form)
-               (when-let [id (:block/uuid form)]
-                 (swap! ids conj id)))
-             form)
-           block)]
-    @ids))
-
 (defn get-block-refs-with-children
   [block]
   (->>