fixes

lib/ui/work_list/sheets/selected_item_sheet.dart

@@ -140,7 +140,7 @@ class SelectedItemSheet extends StatelessWidget {
   Future<void> performNetworkCall(BuildContext context, {String? email, String? userId}) async {
     Utils.showLoading(context);
     try {
-    await WorkListApiClient().submitComment(comment: comment, email: email, userId: userId, notificationId: notificationID, apiMode: apiMode, approverIndex: actionHistoryList!.sEQUENCE);
+    await WorkListApiClient().submitComment(comment: comment, email: email, userId: userId, notificationId: notificationID, apiMode: apiMode, approverIndex: actionHistoryList != null ? actionHistoryList!.sEQUENCE : null);
       Utils.hideLoading(context);
       // Navigator.pop(context);
       // Navigator.pop(context);
@@ -212,7 +212,7 @@ class SelectedItemSheet extends StatelessWidget {
                   : CircularAvatar(
                       height: 40,
                       width: 40,
-                    ).toShimmer()
+                    )
               : (actionHistoryList != null && actionHistoryList!.eMPLOYEEIMAGE != null)
                   ? CircularAvatar(
                       height: 40,
@@ -223,7 +223,7 @@ class SelectedItemSheet extends StatelessWidget {
                   : CircularAvatar(
                       height: 40,
                       width: 40,
-                    ).toShimmer(),
+                    ),
           16.width,
           Expanded(
             child: (name ?? "").toText12(),