erp5_web_renderjs_ui: relation field: do not crash in readonly mode

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_access_js.xml

@@ -228,7 +228,7 @@
                   </item>
                   <item>
                       <key> <string>actor</string> </key>
-                      <value> <unicode>zope</unicode> </value>
+                      <value> <string>zope</string> </value>
                   </item>
                   <item>
                       <key> <string>comment</string> </key>
@@ -242,7 +242,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>1019.35820.17369.64529</string> </value>
+                      <value> <string>1019.25501.60945.10018</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -262,7 +262,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1727282760.47</float>
+                              <float>1730989130.26</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

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');