Fix sending Timeline status field

Author: patrykkopycinski

x-pack/plugins/siem/public/timelines/store/timeline/epic.test.ts

@@ -291,6 +291,7 @@ describe('Epic Timeline', () => {
         templateTimelineVersion: null,
         timelineType: TimelineType.default,
         title: 'saved',
+        status: TimelineStatus.active,
       });
     });
   });

x-pack/plugins/siem/public/timelines/store/timeline/epic.ts

@@ -304,6 +304,7 @@ const timelineInput: TimelineInput = {
   dateRange: null,
   savedQueryId: null,
   sort: null,
+  status: null,
 };
 
 export const convertTimelineAsInput = (