hidden notes should not appear in the global search unless hoisted into it, #3516

src/becca/entities/note.js

@@ -1107,6 +1107,13 @@ class Note extends AbstractEntity {
         return notePaths;
     }
 
+    /**
+     * @return boolean - true if there's no non-hidden path, note is not cloned to the visible tree
+     */
+    isHiddenCompletely() {
+        return !this.getAllNotePaths().find(notePathArr => !notePathArr.includes('_hidden'));
+    }
+
     /**
      * @param ancestorNoteId
      * @return {boolean} - true if ancestorNoteId occurs in at least one of the note's paths