Tracking: missing/incomplete HTML events

[nicoburns]

This issue tracks HTML event and features that Dioxus doesn't yet implement, or for which the implementation is incomplete (cannot access the full functionality of the event).

Missing events

• auxclick
• scrollend
• beforeinput (beforeinput event missing #4822)

Incomplete events

• paste (cannot read pasted data)
• cut/copy (cannot set cut/copied data)
• focus/blur/focusin/focusout (no relatedTarget prop)

Missing listener features

• Ability to use capturing event handlers #1011
• Ability to set "passive" event listeners