officejs_support_request: make project required in "New Support Request" dialog

Now that we have an empty item, we should make sure user selects something.

bt5/erp5_officejs_support_request_ui/SkinTemplateItem/portal_skins/erp5_officejs_support_request/SupportRequestModule_viewSupportRequestFastInputDialog/your_project.xml

@@ -12,6 +12,7 @@
               <list>
                 <string>default</string>
                 <string>items</string>
+                <string>required</string>
                 <string>title</string>
               </list>
             </value>
@@ -116,6 +117,10 @@
                       </list>
                     </value>
                 </item>
+                <item>
+                    <key> <string>required</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
                 <item>
                     <key> <string>target</string> </key>
                     <value> <string>Click to edit the target</string> </value>