`handle_lazy_image` not called for nested images in static block

[brunnerh]

Describe the bug

Not sure if the call should be there, but for static images nested in a e.g. a static <div>, it's gone.

(Tested this in relation to changes from #14269, but if this behavior is wrong, it has been wrong before as well.)

Reproduction

<!-- No call -->
<div><img src="..." loading="lazy" /></div>

<!-- This would have the call: -->
<!-- <img src="..." loading="lazy" /> -->

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REPL

Severity

annoyance

[dummdidumm]

We're likely missing logic to mark the subtree as dynamic in this case - though it's tricky, because it probably also undoes a lot of the optimization around shrinking code size / inlining expressions.

[paoloricciuti]

We're likely missing logic to mark the subtree as dynamic in this case - though it's tricky, because it probably also undoes a lot of the optimization around shrinking code size / inlining expressions.

i think i've added logic about this but it was probably removed during the rework. Let me see how easy is to fix this 😄