updated modal_bottom_sheet version due to issues with flutter

Author: manoj1749

pubspec.lock

@@ -575,7 +575,7 @@ packages:
       name: modal_bottom_sheet
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "3.0.0-pre"
   modal_progress_hud_nsn:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -26,7 +26,7 @@ dependencies:
   html: ^0.15.0
   injectable: ^1.3.0
   intl: ^0.17.0
-  modal_bottom_sheet: ^2.0.0
+  modal_bottom_sheet: ^3.0.0-pre
   modal_progress_hud_nsn: ^0.2.1
   open_file: ^3.2.1
   package_info: ^2.0.0