feat: Implement updated receive share logic

lib/features/sharing/view/dialog/discard_shared_file_dialog.dart

@@ -0,0 +1,51 @@
+import 'dart:async';
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:paperless_mobile/core/widgets/dialog_utils/dialog_cancel_button.dart';
+import 'package:paperless_mobile/core/widgets/dialog_utils/dialog_confirm_button.dart';
+import 'package:paperless_mobile/core/widgets/future_or_builder.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+import 'package:transparent_image/transparent_image.dart';
+
+class DiscardSharedFileDialog extends StatelessWidget {
+  final FutureOr<Uint8List> bytes;
+  const DiscardSharedFileDialog({
+    super.key,
+    required this.bytes,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      icon: FutureOrBuilder<Uint8List>(
+        future: bytes,
+        builder: (context, snapshot) {
+          if (!snapshot.hasData) {
+            return const CircularProgressIndicator();
+          }
+          return LimitedBox(
+            maxHeight: 200,
+            maxWidth: 200,
+            child: FadeInImage(
+              fit: BoxFit.contain,
+              placeholder: MemoryImage(kTransparentImage),
+              image: MemoryImage(snapshot.data!),
+            ),
+          );
+        },
+      ),
+      title: Text(S.of(context)!.discardFile),
+      content: Text(
+        "The shared file was not yet processed. Do you want to discrad the file?", //TODO: INTL
+      ),
+      actions: [
+        DialogCancelButton(),
+        DialogConfirmButton(
+          label: S.of(context)!.discard,
+          style: DialogConfirmButtonStyle.danger,
+        ),
+      ],
+    );
+  }
+}