bcd703977f MM-69131: Keep app__body off backstage routes to fix dark-theme styling (#36928)
* MM-69131: Keep app__body off backstage routes to fix dark-theme styling

Centralizing app__body ownership on WithUserTheme (MM-67913) made the class
persist on backstage routes (integrations, custom emoji), which render a
static light surface. Under dark themes this leaked themed colors in, making
text and form inputs illegible.

useAppBodyClass now takes the current pathname and omits app__body on
backstage routes via isBackstageRoute, while keeping it persisted across
channels, products, and plugins so the original white-flash fix still holds.

* MM-69131: Address theme provider review feedback

Keep backstage route detection local to the theme provider and let the app body class hook read routing context directly.

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Co-authored-by: Hanzo Dev <[email protected]>
2026-06-05 12:37:09 -04:00
2026-05-14 14:19:03 +00:00
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