Do not pick up random message Jelly variable in l:keyboard-shortcut (jenkinsci#26214)

Do not pick up random `message` Jelly variable in l:keyboard-shortcut

Co-authored-by: Daniel Beck <daniel-beck@users.noreply.github.com>
Co-authored-by: Tim Jacomb <21194782+timja@users.noreply.github.com>

Author: daniel-beck

core/src/main/resources/lib/layout/keyboard-shortcut.jelly

@@ -53,7 +53,7 @@ THE SOFTWARE.
           </j:choose>
         </div>
       </j:set>
-      <j:out value="${h.formatMessage(message, h.translateModifierKeysForUsersPlatform(body))}"/>
+      <j:out value="${h.formatMessage(attrs.message, h.translateModifierKeysForUsersPlatform(body))}"/>
     </div>
   </j:set>