Fix nextcloud navbar by hiding menu when clicking outside

This doesn't fix when clicking files app + button.

docker/nextcloud/themes/digitaldemocratic/core/js/navbar.js

@@ -12,4 +12,13 @@ jQuery(document).ready(() => {
             $('#dropdownMenuApps').toggle()
         })
     })
+    $(window).click( (event) => {
+        if (
+            !$(event.target).parents(
+                '#dropdownMenuAppsButton, #dropdownMenuApps'
+            ).length
+        ) {
+            $('#dropdownMenuApps').hide()
+        }
+    })
 })