[backport rh-test] update subscription dialog (#6351)

Backport of #6350 to `rh-test`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6351-backport-rh-test-update-subscription-dialog-29a6d73d365081f284f1f5a9127e2cb3)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Christian Byrne <cbyrne@comfy.org>
Co-authored-by: GitHub Action <action@github.com>

src/platform/cloud/subscription/components/SubscriptionPanel.vue

@@ -50,7 +50,7 @@
                 v-else
                 :label="$t('subscription.subscribeNow')"
                 size="small"
-                button-class="text-xs"
+                class="text-xs"
                 @subscribed="handleRefresh"
               />
             </div>