Hide Explore link for logged-out users

components/sidebar.html

@@ -63,7 +63,12 @@
             />
             <span class="sidebar-text">Recently Added</span>
           </a>
-          <a href="#view=explore" class="sidebar-nav-link" title="Explore">
+          <a
+            id="exploreLink"
+            href="#view=explore"
+            class="sidebar-nav-link hidden"
+            title="Explore"
+          >
             <img
               src="assets/svg/explore-icon.svg"
               alt=""