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Sebastian Markbåge
8da36d0508
Even if the `enableSuspenseyImages` flag is off. Started View Transitions already wait for Suspensey Fonts and this is another Suspensey feature that is even more important for View Transitions - even though we eventually want it all the time. So this uses `<ViewTransition>` as an early opt-in for that tree into Suspensey Images, which we can ship in a minor. If you're doing an update inside a ViewTransition then we're eligible to start a ViewTransition in any Transition that might suspend. Even if that doesn't end up animating after all, we still consider it Suspensey. We could try to suspend inside the startViewTransition but that's not how it would work with `enableSuspenseyImages` on and we can't do that for startGestureTransition. Even so we still need some opt-in to trigger the Suspense fallback even before we know whether we'll animate or not. So the simple solution is just that `<ViewTransition>` opts in the whole subtree into Suspensey Images in general. In this PR I disable `enableSuspenseyImages` in experimental so that we can instead test the path that only enables it inside `<ViewTransition>` tree since that's the path that would next graduate to a minor.