Changes after major Svelte update.

src/lib/element_tiptap_editor.svelte

@@ -3,7 +3,7 @@ import { onMount, onDestroy } from 'svelte';
 import { fade } from 'svelte/transition'
 import { cubicOut } from 'svelte/easing';
 
-// import ShadEditor from '$lib/components/shad-editor/shad-editor.svelte';
+import ShadEditor from '$lib/components/shad-editor/shad-editor.svelte';
 
 
 // Import Tiptap related modules
@@ -572,6 +572,7 @@ let mouse_leave_wait: number = 2000;
                     title="Undo"
                     >
                     <span class="fas fa-undo mx-1"></span>
+                    <span class="hidden">Undo</span>
                 </button>
 
                 <!-- Redo (not working???) -->