[backport cloud/1.36] fix: Model upload UI improvements (#7943)

Backport of #7938 to `cloud/1.36`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7943-backport-cloud-1-36-fix-Model-upload-UI-improvements-2e46d73d365081fcadd1f71e7fa012d6)
by [Unito](https://www.unito.io)

Co-authored-by: Alexander Brown <drjkl@comfy.org>
Co-authored-by: Amp <amp@ampcode.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/platform/assets/composables/useModelUpload.ts

@@ -23,7 +23,7 @@ export function useModelUpload(
         dialogComponentProps: {
           pt: {
             header: 'py-0! pl-0!',
-            content: 'p-0!'
+            content: 'p-0! overflow-y-hidden!'
           }
         }
       })
@@ -41,7 +41,7 @@ export function useModelUpload(
         dialogComponentProps: {
           pt: {
             header: 'py-0! pl-0!',
-            content: 'p-0!'
+            content: 'p-0! overflow-y-hidden!'
           }
         }
       })