Buffer click/input events while the page is hydrating

[aleclarson]

Once the page is hydrated, apply the buffered events in order.

Prior art:

• https://github.com/ryansolid/dom-expressions/blob/6021864cc1d521dcf3ae91b2d20f585557e9875c/packages/dom-expressions/src/server.js#L261-L285
• https://github.com/ryansolid/dom-expressions/blob/6021864cc1d521dcf3ae91b2d20f585557e9875c/packages/dom-expressions/src/client.js#L240-L254

[aleclarson]

This is important for cached <img> sources to emit load and error events after the page is hydrated. Otherwise, components will never receive them and have to resort to complex workarounds.