Initial 1.28 backports (#5986)

Includes
- Subgraph widget promotion fixes (#5911)
- fix "what's changed" release toast attention level logic (#5959)
- Fix: Missing Node Title Editor bug (#5963)
- OpenAIVideoSora2 Frontend pricing (#5958)
- hotfix: quick test updates for sora2 pricing badge. (#5966)

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5986-Initial-1-28-backports-2866d73d365081448ff2c4827bdbb9e5)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Christian Byrne <cbyrne@comfy.org>
Co-authored-by: Alexander Brown <drjkl@comfy.org>
Co-authored-by: Marwan Ahmed <155799754+marawan206@users.noreply.github.com>

src/core/graph/subgraph/proxyWidget.ts

@@ -121,7 +121,6 @@ function addProxyWidget(
     afterQueued: undefined,
     computedHeight: undefined,
     isProxyWidget: true,
-    label: name,
     last_y: undefined,
     name,
     node: subgraphNode,