erp5_web_renderjs_ui: relation field: do not crash in readonly mode

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.js

@@ -555,6 +555,9 @@
         next_event,
         active_index,
         ul = gadget.element.querySelector(".search_ul");
+      if (ul === null) {
+        return;
+      }
       if (evt.key === "ArrowDown" || evt.key === "ArrowUp") {
         if (ul.childNodes.length > 0) {
           for (i = 0; i < ul.childNodes.length; i += 1) {
@@ -614,6 +617,9 @@
       var gadget = this,
         i,
         ul = gadget.element.querySelector(".search_ul");
+      if (ul === null) {
+        return;
+      }
       if (evt.target.tagName.toLowerCase() === 'li') {
         for (i = 0; i < ul.childNodes.length; i += 1) {
           ul.childNodes[i].classList.remove('active');

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.xml

@@ -69,7 +69,9 @@
         </item>
         <item>
             <key> <string>content_type</string> </key>
-            <value> <string>text/javascript</string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>default_reference</string> </key>
@@ -240,7 +242,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>987.36268.43767.1126</string> </value>
+                      <value> <string>1020.33621.37473.62976</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -260,7 +262,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1603726868.97</float>
+                              <float>1730996837.75</float>
                               <string>UTC</string>
                             </tuple>
                           </state>