install codemetric; apply changes for check-unnecessary-nullable

lib/models/g1_wallets_list.dart

lib/models/g1_wallets_list.g.dart

lib/models/widgets_keys.dart

lib/providers/cesium_plus.dart

lib/providers/duniter_indexer.dart

lib/providers/search.dart

lib/providers/substrate_sdk.dart

lib/providers/wallets_profiles.dart

lib/screens/activity.dart

lib/screens/common_elements.dart

lib/screens/myWallets/choose_wallet.dart

lib/screens/myWallets/unlocking_wallet.dart

lib/screens/my_contacts.dart

lib/screens/search_result.dart

lib/screens/transaction_in_progress.dart

lib/screens/wallet_view.dart

pubspec.lock

pubspec.yaml