can migrate identity from standart mnemonic derivation

assets/skull_Icon.png

assets/translations/en.json

assets/translations/es.json

assets/translations/fr.json

lib/providers/substrate_sdk.dart

lib/providers/wallet_options.dart

lib/screens/myWallets/import_g1_v1.dart

lib/screens/myWallets/manage_membership.dart

lib/screens/myWallets/migrate_identity.dart

lib/screens/transaction_in_progress.dart