front: fix workSchedules projection

front/src/applications/stdcm/components/StdcmResults/StdcmDebugResults.tsx

@@ -1,4 +1,4 @@
-import { useState } from 'react';
+import { useMemo, useState } from 'react';
 
 import { useSelector } from 'react-redux';
 
@@ -33,14 +33,29 @@ const StdcmDebugResults = ({
 
   const spaceTimeData = useProjectedTrainsForStdcm(results);
 
-  const { data: workSchedules } = osrdEditoastApi.endpoints.postWorkSchedulesProjectPath.useQuery(
-    {
-      body: {
-        path_track_ranges: pathTrackRanges,
-        work_schedule_group_id: workScheduleGroupId!,
+  const { data: rawWorkSchedules } =
+    osrdEditoastApi.endpoints.postWorkSchedulesProjectPath.useQuery(
+      {
+        body: {
+          path_track_ranges: pathTrackRanges,
+          work_schedule_group_id: workScheduleGroupId!,
+        },
       },
-    },
-    { skip: !workScheduleGroupId }
+      { skip: !workScheduleGroupId }
+    );
+
+  // The workSchedules are returned without timezone (bug in editoast)
+  // To fix it temporarily, we manually add the timezone to start_date_time and end_date_time
+  const workSchedules = useMemo(
+    () =>
+      rawWorkSchedules?.map((ws) => {
+        return {
+          ...ws,
+          start_date_time: `${ws.start_date_time}Z`,
+          end_date_time: `${ws.end_date_time}Z`,
+        };
+      }),
+    [rawWorkSchedules]
   );
 
   return (