feat: Implement updated receive share logic

lib/features/sharing/cubit/receive_share_state.dart

@@ -0,0 +1,32 @@
+part of 'receive_share_cubit.dart';
+
+sealed class ReceiveShareState {
+  final List<File> files;
+
+  const ReceiveShareState({this.files = const []});
+}
+
+class ReceiveShareStateInitial extends ReceiveShareState {
+  const ReceiveShareStateInitial();
+}
+
+class ReceiveShareStateLoading extends ReceiveShareState {
+  const ReceiveShareStateLoading();
+}
+
+class ReceiveShareStateLoaded extends ReceiveShareState {
+  const ReceiveShareStateLoaded({super.files});
+
+  ReceiveShareStateLoaded copyWith({
+    List<File>? files,
+  }) {
+    return ReceiveShareStateLoaded(
+      files: files ?? this.files,
+    );
+  }
+}
+
+class ReceiveShareStateError extends ReceiveShareState {
+  final String message;
+  const ReceiveShareStateError(this.message);
+}