Add timeline network statusing to getPostOrComment

lib/friendica_client/friendica_client.dart

@@ -606,7 +606,8 @@ class StatusesClient extends FriendicaClient {
   // TODO Convert getPostOrComment to using paging for real
   FutureResult<List<TimelineEntry>, ExecError> getPostOrComment(String id,
       {bool fullContext = false}) async {
-    return (await runCatchingAsync(() async {
+    _networkStatusService.startTimelineLoading();
+    final result = (await runCatchingAsync(() async {
       final baseUrl = 'https://$serverName/api/v1/statuses/$id';
       final url = fullContext ? '$baseUrl/context' : baseUrl;
       final request = Uri.parse('$url?limit=1000');
@@ -627,8 +628,10 @@ class StatusesClient extends FriendicaClient {
           return [TimelineEntryMastodonExtensions.fromJson(json)];
         }
       }));
-    }))
-        .execErrorCastAsync();
+    }));
+    _networkStatusService.finishTimelineLoading();
+
+    return result.execErrorCast();
   }
 
   FutureResult<TimelineEntry, ExecError> createNewStatus({