erp5_document_scanner: Fix the "Change Camera" action

If device_id is propagated to onStateChange, it means we have a new value. Then, check if we have this property is enough to switch

bt5/erp5_document_scanner/PathTemplateItem/web_page_module/rjs_gadget_document_scanner_js.js

@@ -503,7 +503,7 @@
       } else {
         display_step = modification_dict.display_step;
       }
-      if (display_step === 'display_video') {
+      if (display_step === 'display_video' || modification_dict.hasOwnProperty('device_id')) {
         return renderVideoCapture(gadget);
       }
       if (display_step === 'crop_picture') {

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>981.29059.2195.37614</string> </value>
+                      <value> <string>981.29206.2173.6297</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -262,7 +262,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1580133331.88</float>
+                              <float>1580142156.11</float>
                               <string>UTC</string>
                             </tuple>
                           </state>