fix(sanity): release detail document preview

Note: We may wish to fix this properly by propagating the "bundle" to "release" string
      change more widely across the codebase. But this is a quick solution.

packages/sanity/src/core/releases/tool/detail/useBundleDocuments.ts

@@ -91,7 +91,7 @@ export function useBundleDocuments(release: string): {
                   getPreviewValueWithFallback({
                     value: document,
                     version: version.snapshot,
-                    perspective: `release.${release}`,
+                    perspective: `bundle.${release}`,
                   }),
                   schemaType,
                 ),