Reorder promise resolutions for navigation API

The API method tracker finished promise vs. the navigation transition finished promise ordering did not match the tests and Chromium implementation. There's no real argument for one order vs. the other, so update the spec to match.

Closes #10646.

source

@@ -95198,6 +95198,9 @@ interface <dfn interface>NavigationDestination</dfn> {
        <li><p><span data-x="concept-event-fire">Fire an event</span> named <code
        data-x="event-navigatesuccess">navigatesuccess</code> at <var>navigation</var>.</p></li>
 
+       <li><p>If <var>apiMethodTracker</var> is non-null, then <span>resolve the finished
+       promise</span> for <var>apiMethodTracker</var>.</p></li>
+
        <li><p>If <var>navigation</var>'s <span
        data-x="concept-Navigation-transition">transition</span> is not null, then resolve
        <var>navigation</var>'s <span data-x="concept-Navigation-transition">transition</span>'s
@@ -95206,9 +95209,6 @@ interface <dfn interface>NavigationDestination</dfn> {
 
        <li><p>Set <var>navigation</var>'s <span
        data-x="concept-Navigation-transition">transition</span> to null.</p></li>
-
-       <li><p>If <var>apiMethodTracker</var> is non-null, then <span>resolve the finished
-       promise</span> for <var>apiMethodTracker</var>.</p></li>
       </ol>
 
       <p>and the following failure steps given reason <var>rejectionReason</var>:</p>
@@ -95238,6 +95238,9 @@ interface <dfn interface>NavigationDestination</dfn> {
        <code>ErrorEvent</code>, with additional attributes initialized according to
        <var>errorInfo</var>.</p></li>
 
+       <li><p>If <var>apiMethodTracker</var> is non-null, then <span>reject the finished
+       promise</span> for <var>apiMethodTracker</var> with <var>rejectionReason</var>.</p></li>
+
        <li><p>If <var>navigation</var>'s <span
        data-x="concept-Navigation-transition">transition</span> is not null, then reject
        <var>navigation</var>'s <span data-x="concept-Navigation-transition">transition</span>'s
@@ -95246,9 +95249,6 @@ interface <dfn interface>NavigationDestination</dfn> {
 
        <li><p>Set <var>navigation</var>'s <span
        data-x="concept-Navigation-transition">transition</span> to null.</p></li>
-
-       <li><p>If <var>apiMethodTracker</var> is non-null, then <span>reject the finished
-       promise</span> for <var>apiMethodTracker</var> with <var>rejectionReason</var>.</p></li>
       </ol>
      </li>
     </ol>