Fix missing CSRF tokens for profile page (#1946)

#1640 fixed a slew of issues with the profile page, and completely
overhauled the underlying code. This PR is a minimal patch to restore
password-change functionality for CDash 3.2.

app/Http/Controllers/UserController.php

@@ -497,6 +497,7 @@ public function edit(): View
             $xml .= '<error>Your password has expired.  Please set a new one.</error>';
         }
 
+        $xml .= '<csrf>' . csrf_token() . '</csrf>';
         $xml .= '</cdash>';
 
         return view('cdash', [

app/cdash/public/editUser.xsl

@@ -15,6 +15,7 @@
      <td colspan="5" id="nob"><h3>My Profile</h3></td>
  </tr>
 <form method="post" action="" name="updatprofile_form">
+<input type="hidden" name="_token"><xsl:attribute name="value"><xsl:value-of select="cdash/csrf"/></xsl:attribute></input>
 <tr class="treven">
   <td width="20%" height="2"><div align="right">First Name</div></td>
   <td  width="80%" height="2" id="nob"><input class="textbox" name="fname" size="20">
@@ -50,6 +51,7 @@
 </tr>
 </form>
 <form method="post" action="" name="updatemail_form">
+<input type="hidden" name="_token"><xsl:attribute name="value"><xsl:value-of select="cdash/csrf"/></xsl:attribute></input>
 <tr class="trodd">
     <td width="20%" height="2" ><div align="right">Current Password</div></td>
     <td width="80%" height="2" id="nob"><input class="textbox" type="password" name="oldpasswd" size="20"/></td>