Add fonts, autotable, autotable examples

go/wasmruntime/mount.go

@@ -32,6 +32,7 @@ func Run(component func() *vdom.VNode) {
 		next := component()
 		patchChildren(root, one(prev), one(next))
 		prev = next
+		flushAfterRender() // refs are live now — measurement callbacks can run
 	}
 	rootRender()
 	finish(root)
@@ -49,7 +50,9 @@ func Hydrate(component func() *vdom.VNode) {
 		next := component()
 		patchChildren(root, one(prev), one(next))
 		prev = next
+		flushAfterRender()
 	}
+	flushAfterRender() // the adopted DOM is live; refs from hydration are usable
 	finish(root)
 }