Feat: Update scanner persistence, more migrations and bugfixes

lib/features/document_scan/cubit/document_scanner_state.dart

@@ -0,0 +1,30 @@
+part of 'document_scanner_cubit.dart';
+
+sealed class DocumentScannerState {
+  final List<File> scans;
+
+  const DocumentScannerState({
+    this.scans = const [],
+  });
+}
+
+class InitialDocumentScannerState extends DocumentScannerState {
+  const InitialDocumentScannerState();
+}
+
+class RestoringDocumentScannerState extends DocumentScannerState {
+  const RestoringDocumentScannerState({super.scans});
+}
+
+class LoadedDocumentScannerState extends DocumentScannerState {
+  const LoadedDocumentScannerState({super.scans});
+}
+
+class ErrorDocumentScannerState extends DocumentScannerState {
+  final String message;
+
+  const ErrorDocumentScannerState({
+    required this.message,
+    super.scans,
+  });
+}