Correct button and input element activation behavior

Reset buttons and inputs no longer trigger popover target activation behavior when there's a form owner.

Reset buttons no longer trigger command button activation behavior when there's a form owner.

Missing and invalid type buttons no longer trigger command button activation behavior when there's a form owner.

Tests: web-platform-tests/wpt#50829.

Author: lukewarlow

source

@@ -48241,6 +48241,10 @@ interface <dfn interface>HTMLInputElement</dfn> : <span>HTMLElement</span> {
    <li><p>Run <var>element</var>'s <dfn>input activation behavior</dfn>, if any, and do nothing
    otherwise.</p></li>
 
+   <li><p>If <var>element</var> has a <span>form owner</span> and <var>element</var>'s <span
+   data-x="attr-input-type">type</span> attribute is not in the <span
+   data-x="attr-input-type-button">Button</span> state, then return.</p></li>
+
    <li><p>Run the <span>popover target attribute activation behavior</span> given <var>element</var>
    and <var>event</var>'s <span data-x="concept-event-target">target</span>.</p></li>
   </ol>
@@ -53578,12 +53582,17 @@ interface <dfn interface>HTMLButtonElement</dfn> : <span>HTMLElement</span> {
      then <span data-x="concept-form-submit">submit</span> <var>element</var>'s
      <span>form owner</span> from <var>element</var> with <i
      data-x="submit-user-involvement">userInvolvement</i> set to <var>event</var>'s <span
-     data-x="event-uni">user navigation involvement</span>.</p></li>
+     data-x="event-uni">user navigation involvement</span>, and return.</p></li>
 
      <li><p>If <var>element</var>'s <code data-x="attr-button-type">type</code> attribute is in the
      <span data-x="attr-button-type-reset-state">Reset Button</span> state, then <span
-     data-x="concept-form-reset">reset</span> <var>element</var>'s
-     <span>form owner</span>.</p></li>
+     data-x="concept-form-reset">reset</span> <var>element</var>'s <span>form owner</span>, and
+     return.</p></li>
+
+     <li><p>If <var>element</var>'s <code data-x="attr-button-type">type</code> attribute is in the
+     <span data-x="attr-button-type-auto-state">Auto</span> state, then return.</p></li>
+     <!-- We do this for compatability and plan to remove this restriction in future, see
+          https://github.com/whatwg/html/issues/10832 -->
     </ol>
    </li>
 
@@ -53595,10 +53604,6 @@ interface <dfn interface>HTMLButtonElement</dfn> : <span>HTMLElement</span> {
     <p>If <var>target</var> is not null:</p>
 
     <ol>
-     <li><p>If <var>element</var> has a <span>form owner</span> and <var>element</var>'s <code
-     data-x="attr-button-type">type</code> attribute is in the <span
-     data-x="attr-button-type-submit-state">Submit Button</span> state, then return.</p></li>
-
      <li><p>Let <var>command</var> be <var>element</var>'s <code
      data-x="attr-button-command">command</code> attribute.</p></li>