fix(suite): persist legacy label migration by wallet

[peter-sanderson]

Resolves #28176

Set a persisted metadata flag for wallets whose legacy labels were migrated and mark it after successful migration regardless of provider.

Screencast.from.2026-06-01.16-58-48.mp4

Testing

• eject wallet (or wipe suite if yolo)
• connect wallet
• turn on legacy labeling and have some data in there
• turn on suite sync (doesn't matter how, test all entry-points 🙏 )
• after a while, you got notification that you have migrated some labels
• if no labels migrated, no banner (in contrast win settings-migrate where you see the "migrated: 0, skipped: 22)

🔍 Currents Test Results

🔍 Suite desktop test results: View in Currents

🔍 Suite web test results: View in Currents

🔍 Suite native android test results: View in Currents

🔒 Quarantined E2E Tests

Trezor Suite (web) — 9 test(s)

Test	Type
Account metadata > dropbox provider	🤖 auto
Passphrase with cardano > verify cardano address behind passphrase	🤖 auto
Cardano > Basic cardano walkthrough	🤖 auto
Public Keys > Check ada XPUB	🤖 auto
Account types suite > Add-account-types-non-BTC-coins	🤖 auto
Quarantine test: "Onboarding - create wallet,Success (basic)"	🙋 manual
Quarantine test: "Database migration,Db migration between: release/22.5/web => develop/web"	🙋 manual
Quarantine test: "Multiple sessions,Session overtaken by another"	🙋 manual
Quarantine test: "Recovery T2T1 - dry run,Recovery after partial recovery"	🙋 manual

Updated: 2026-06-01T15:28:09.673Z • 9 test(s) total

Trezor Suite (desktop) — 4 test(s)

Test	Type
Account types suite > Add-account-types-non-BTC-coins	🤖 auto
Passphrase with cardano > verify cardano address behind passphrase	🤖 auto
Onboarding - create wallet > Success (basic)	🤖 auto
Quarantine test: "Multiple sessions,Session overtaken by another"	🙋 manual

Updated: 2026-06-01T12:03:17.130Z • 4 test(s) total

🌐 Preview deployments

🌐 Suite Web preview: https://dev.suite.sldev.cz/suite-web/implicit-legacy-to-suite-sync-migration/web/

[trezor-bot]

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[trezor-bot]

✅ Previously successful run of [Test] suite-native Android E2E workflow has been found.
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[trezor-bot]

✅ Previously successful run of [Test] PR Suite Web e2e tests workflow has been found.
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💡 If you are unsure about your latest changes, please rerun the workflow manually. (Use the Re-run all jobs option)