erp5_document_scanner: Add active process url to request body

Request body should contain the image data and the active process relative url (depending on which erp5 context the script is called)

bt5/erp5_document_scanner/PathTemplateItem/web_page_module/rjs_gadget_document_scanner_js.js

@@ -81,6 +81,7 @@
     var data = new FormData();
     data.append("input_value",
                      gadget.state['blob_url_' + blob_page].split(';')[1].split(',')[1]);
+    data.append("active_process_url", gadget.state.active_process);
     return new RSVP.Queue()
       .push(function () {
         return jIO.util.ajax({

bt5/erp5_document_scanner/PathTemplateItem/web_page_module/rjs_gadget_document_scanner_js.xml

@@ -244,7 +244,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>981.29551.59362.28552</string> </value>
+                      <value> <string>981.30481.36256.38348</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -262,7 +262,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1580163643.67</float>
+                              <float>1580220211.01</float>
                               <string>UTC</string>
                             </tuple>
                           </state>