Popover: throw exception in originalType check

Since exception throwing was moved into "check popover validity," we need to explicitly throw an exception for this originalType check in order to make sure that it actually throws an exception like it is supposed to.

Fixes #9037.

source

@@ -82339,11 +82339,13 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
      <li><p>Run <span data-x="hide-all-popovers-until">hide all popovers until</span> given
      <var>ancestor</var>, false, and true.</p></li>
 
+     <li><p>If <var>originalType</var> is not equal to the value of <var>element</var>'s <code
+     data-x="attr-popover">popover</code> attribute, then throw a
+     <span>"<code>InvalidStateError</code>"</span> <code>DOMException</code>.</p></li>
+
      <li>
-      <p>If <var>originalType</var> is not equal to the value of <var>element</var>'s <code
-      data-x="attr-popover">popover</code> attribute, or if the result of running <span>check
-      popover validity</span> given <var>element</var>, false, <var>throwExceptions</var>, and
-      <var>document</var> is false, then return.</p>
+      <p>If the result of running <span>check popover validity</span> given <var>element</var>,
+      false, <var>throwExceptions</var>, and <var>document</var> is false, then return.</p>
 
       <p class="note"><span>Check popover validity</span> is called again because running <span
       data-x="hide-all-popovers-until">hide all popovers until</span> above could have fired the