fix: Add labels to each cubit using repositories and state properties, remove label cubits

lib/features/edit_label/cubit/edit_label_state.dart

@@ -1,10 +1,11 @@
 part of 'edit_label_cubit.dart';
 
-class EditLabelState<T> extends Equatable {
-  final Map<int, T> labels;
-
-  const EditLabelState({this.labels = const {}});
-
-  @override
-  List<Object> get props => [labels];
+@freezed
+class EditLabelState with _$EditLabelState {
+  const factory EditLabelState({
+    @Default({}) Map<int, Correspondent> correspondents,
+    @Default({}) Map<int, DocumentType> documentTypes,
+    @Default({}) Map<int, Tag> tags,
+    @Default({}) Map<int, StoragePath> storagePaths,
+  }) = _EditLabelState;
 }