Andreas Kling 9eec63e471 LibWeb: Protect DOM node while preparing to send mouse events ...

The Help application was hooking HtmlView::on_link_click, which would
get invoked before DOM event dispatch. Since we were holding on to the
clicked node with a Node*, the DOM node was gone after returning from
the on_link_click callback.

Fix this by keeping DOM nodes in RefPtrs in the event management code.
Also move DOM event dispatch before widget hook invocation, to try and
keep things sane on the LibWeb side of things.

Fixes #1605.

2020-04-03 21:34:57 +02:00

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