Migrate from EE 8 to EE 9 in Jelly

Author: basil

src/main/resources/io/jenkins/plugins/designlibrary/Dialogs/form.jelly

@@ -4,10 +4,10 @@
     <h1>Form submission result</h1>
     <s:preview>
       <div>
-      <h2>Hello ${request.getParameter("name")}</h2>
+      <h2>Hello ${request2.getParameter("name")}</h2>
       <b>Here are your order details</b><br/>
-      Quantity: ${request.getParameter("quantity")}<br/>
-      Flavor: ${request.getParameter("_.flavor")}<br/>
+      Quantity: ${request2.getParameter("quantity")}<br/>
+      Flavor: ${request2.getParameter("_.flavor")}<br/>
       </div>
     </s:preview>
   </s:layout>

src/main/resources/io/jenkins/plugins/designlibrary/Progress/index.jelly

@@ -45,7 +45,7 @@
     <s:section title="${%progressiveRendering}" description="${%progressiveRendering.description}">
       <s:group>
         <s:preview>
-          <j:set var="number" value="${request.getParameter('number')}"/>
+          <j:set var="number" value="${request2.getParameter('number')}"/>
           <form method="POST" action=".">
             <f:entry title="Enter a big number">
               <f:number name="number" value="${number}" />