💄 Optimize file upload prograss indicates

lib/widgets/post/compose_attachments.dart

@@ -131,7 +131,7 @@ class ArticleComposeAttachments extends ConsumerWidget {
               ],
             ),
             children: [
-              ValueListenableBuilder<Map<int, double>>(
+              ValueListenableBuilder<Map<int, double?>>(
                 valueListenable: state.attachmentProgress,
                 builder: (context, progressMap, _) {
                   return Wrap(

lib/widgets/post/compose_shared.dart

@@ -33,7 +33,7 @@ class ComposeState {
   final TextEditingController slugController;
   final ValueNotifier<int> visibility;
   final ValueNotifier<List<UniversalFile>> attachments;
-  final ValueNotifier<Map<int, double>> attachmentProgress;
+  final ValueNotifier<Map<int, double?>> attachmentProgress;
   final ValueNotifier<SnPublisher?> currentPublisher;
   final ValueNotifier<bool> submitting;
   final ValueNotifier<List<SnPostCategory>> categories;
@@ -520,7 +520,7 @@ class ComposeLogic {
             onProgress: (progress, _) {
               state.attachmentProgress.value = {
                 ...state.attachmentProgress.value,
-                index: progress,
+                index: progress ?? 0.0,
               };
             },
           ).future;