Fix xliff tags in translations

<?xml version="1.0" encoding="utf-8"?>

<resources>

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">

    <string name="onboarding_migration_thunderbird_qr_code_import_title">Ja feu servir el Thunderbird a l\'escriptori?</string>

    <string name="onboarding_migration_thunderbird_new_account_title">És el primer cop que useu el Thunderbird?</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_button_text">Importa la configuració</string>

<?xml version="1.0" encoding="utf-8"?>

<resources>

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">

    <string name="onboarding_migration_thunderbird_qr_code_import_title">Impiegate dighjà Thunderbird nant’à l’urdinatore ?</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_button_text">Impurtà i parametri</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_text">Impurtate in quattru è trè sette i vostri parametri di conti analizendu un codice QR.</string>

<?xml version="1.0" encoding="utf-8"?>

<resources>

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">

    <string name="onboarding_migration_thunderbird_new_account_title">Používáte Thunderbird poprvé?</string>

    <string name="onboarding_migration_thunderbird_new_account_button_text">Přidat e-mailový účet</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_title">Používáte Thunderbird na počítači?</string>

<?xml version="1.0" encoding="utf-8"?>

<resources>

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">

    <string name="onboarding_migration_thunderbird_qr_code_import_title">Nutzt du bereits Thunderbird auf dem Desktop?</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_button_text">Einstellungen importieren</string>

    <string name="onboarding_migration_thunderbird_new_account_title">Neu bei Thunderbird?</string>

<?xml version="1.0" encoding="utf-8"?>

<resources>

<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">

    <string name="onboarding_migration_thunderbird_qr_code_import_title">¿Ya utilizas Thunderbird para equipos de escritorio?</string>

    <string name="onboarding_migration_thunderbird_qr_code_import_button_text">Importar ajustes</string>

    <string name="onboarding_migration_thunderbird_new_account_title">¿Es la primera vez que usas Thunderbird?</string>