[canary-base] Fix compile-time errors caused by ambiguous V8 Block types
@targos The compiler reports an error saying that the Block here may be v8::internal::Block and v8::internal::compiler::turboshaft::Block
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
@targos The compiler reports an error saying that the Block here may be v8::internal::Block and v8::internal::compiler::turboshaft::Block