fix: restore ShareModal design

- The copy button works again to copy the URL.
- The copy button is now to the right of the input component (not below).
- Removed the fixed height on the buttons so they now match the height of the input text fields.

src/assets/oruga-tailwindcss.css

@@ -8,7 +8,7 @@ body {
 
 /* Button */
 .btn {
-  @apply font-bold py-2 px-4 bg-mbz-bluegreen hover:bg-mbz-bluegreen-600 text-white rounded h-10 outline-none focus:ring ring-offset-1 ring-offset-slate-50 ring-blue-300;
+  @apply font-bold py-2 px-4 bg-mbz-bluegreen hover:bg-mbz-bluegreen-600 text-white rounded outline-none focus:ring ring-offset-1 ring-offset-slate-50 ring-blue-300;
 }
 .btn:hover {
   @apply text-slate-200;