Use our fork of ext_storage

Has null safety

pubspec.lock

@@ -230,9 +230,11 @@ packages:
   ext_storage:
     dependency: "direct main"
     description:
-      name: ext_storage
-      url: "https://pub.dartlang.org"
-    source: hosted
+      path: "."
+      ref: HEAD
+      resolved-ref: "98faf095ed6786a0bb0db26cb2f3966513f3f7aa"
+      url: "https://github.com/GitJournal/ext_storage.git"
+    source: git
     version: "1.0.3"
   fake_async:
     dependency: transitive

pubspec.yaml

@@ -34,7 +34,8 @@ dependencies:
   easy_localization_loader: ^1.0.0
   email_validator: ^1.0.6
   equatable: ^2.0.0
-  ext_storage: ^1.0.3
+  ext_storage:
+    git: https://github.com/GitJournal/ext_storage.git
   file_picker: ^3.0.0
   filesystem_picker: ^1.0.3 # for directories
   fimber: ^0.3.0