controllers/default.py: checkProcess: Give access to the result ID

When a process is finished we need to access its result. Thus we provide the result ID.
Related to #1469

server/web2py/applications/vidjil/controllers/default.py

@@ -185,7 +185,9 @@ def checkProcess():
     
         res = {"success" : "true",
                "status" : task.status,
-               "data" : run.run_result,
+               "data" : {'run_result': run.run_result,
+                         'result_id': results_file.id
+                         },
                "processId" : task.id}
     else :
         if len(msg) > 0: