RELATIONERROR [erp5_web_renderjs_ui] Handle errors while typing in a relation input

For instance, typing a backslash in a relation field does not crash the ui anymore.

/bug #20180123-D78557
https://nexedijs.erp5.net/#/bug_module/20180123-D78557

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.js

@@ -394,6 +394,9 @@
                 ul.removeChild(ul.firstChild);
               }
               ul.appendChild(fragment_element);
+            })
+            .push(undefined, function () {
+              return gadget.notifyInvalid("Invalid search criteria");
             });
         });
 

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.xml

@@ -234,7 +234,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>971.23288.3697.17425</string> </value>
+                <value> <string>976.21286.46840.25002</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1541156739.42</float>
+                        <float>1560265812.69</float>
                         <string>UTC</string>
                       </tuple>
                     </state>
@@ -311,7 +311,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1541669313.00</float>
+                        <float>1541669313.0</float>
                         <string>UTC</string>
                       </tuple>
                     </state>