feat(front/auth-token): make token revoke action button mode to gain space

src/assets/views/auth-tokens.svelte

@@ -55,7 +55,7 @@
                     </td>
                     <td class="actions">
                         <Form action="{route('revoke-token', token.id)}" submitText="Revoke" submitIcon="trash"
-                              submitClass="danger"/>
+                              submitClass="danger" button/>
                     </td>
                 </tr>
             {/each}