Fix the list of event handler content attributes

- Add oncopy, oncut, onformdata, and onpaste
- Move onwheel to the end of the list

Fixes #4549.
Fixes #4564.

source

@@ -11516,7 +11516,9 @@ https://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20HTML%3E%
    <li><code data-x="handler-onclick">onclick</code></li>
    <li><code data-x="handler-onclose">onclose</code></li>
    <li><code data-x="handler-oncontextmenu">oncontextmenu</code></li>
+   <li><code data-x="handler-oncopy">oncopy</code></li>
    <li><code data-x="handler-oncuechange">oncuechange</code></li>
+   <li><code data-x="handler-oncut">oncut</code></li>
    <li><code data-x="handler-ondblclick">ondblclick</code></li>
    <li><code data-x="handler-ondrag">ondrag</code></li>
    <li><code data-x="handler-ondragend">ondragend</code></li>
@@ -11531,6 +11533,7 @@ https://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20HTML%3E%
    <li><code data-x="handler-onended">onended</code></li>
    <li><code data-x="handler-onerror">onerror</code>*</li>
    <li><code data-x="handler-onfocus">onfocus</code>*</li>
+   <li><code data-x="handler-onformdata">onformdata</code></li>
    <li><code data-x="handler-oninput">oninput</code></li>
    <li><code data-x="handler-oninvalid">oninvalid</code></li>
    <li><code data-x="handler-onkeydown">onkeydown</code></li>
@@ -11548,7 +11551,7 @@ https://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20HTML%3E%
    <li><code data-x="handler-onmouseout">onmouseout</code></li>
    <li><code data-x="handler-onmouseover">onmouseover</code></li>
    <li><code data-x="handler-onmouseup">onmouseup</code></li>
-   <li><code data-x="handler-onwheel">onwheel</code></li>
+   <li><code data-x="handler-onpaste">onpaste</code></li>
    <li><code data-x="handler-onpause">onpause</code></li>
    <li><code data-x="handler-onplay">onplay</code></li>
    <li><code data-x="handler-onplaying">onplaying</code></li>
@@ -11568,6 +11571,7 @@ https://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20HTML%3E%
    <li><code data-x="handler-ontoggle">ontoggle</code></li>
    <li><code data-x="handler-onvolumechange">onvolumechange</code></li>
    <li><code data-x="handler-onwaiting">onwaiting</code></li>
+   <li><code data-x="handler-onwheel">onwheel</code></li>
   </ul>
 
   <p class="note">The attributes marked with an asterisk have a different meaning when specified on
@@ -122935,6 +122939,7 @@ INSERT INTERFACES HERE
   Morten Stenshorne,
   Mounir Lamouri,
   Ms2ger,
+  mtrootyy,
   Mukilan Thiyagarajan,
   Mustaq Ahmed,
   Nadia Heninger,