TF-296 Fix upload file on browser

model/lib/upload/file_info.dart

@@ -1,20 +1,22 @@
 
 import 'package:equatable/equatable.dart';
+import 'package:flutter/foundation.dart';
 import 'package:mime/mime.dart';
 
 class FileInfo with EquatableMixin {
   final String fileName;
   final String filePath;
   final int fileSize;
+  final Stream<List<int>>? readStream;
 
-  FileInfo(this.fileName, this.filePath, this.fileSize);
+  FileInfo(this.fileName, this.filePath, this.fileSize, {this.readStream});
 
   factory FileInfo.empty() {
     return FileInfo('', '', 0);
   }
 
-  String get mimeType => lookupMimeType(filePath) ?? 'application/json; charset=UTF-8';
+  String get mimeType => lookupMimeType(kIsWeb ? fileName : filePath) ?? 'application/json; charset=UTF-8';
 
   @override
-  List<Object> get props => [fileName, filePath, fileSize];
+  List<Object?> get props => [fileName, filePath, fileSize, readStream];
 }