Fix #1099 Wording for app lock / device credentials

    <string name="settings_font_title">Monospace font</string>

    <string name="settings_font_size">Font size</string>

    <string name="settings_wifi_only">Sync only on Wi-Fi</string>

    <string name="settings_lock">Password protection</string>

    <string name="settings_lock">App lock (Beta)</string>

    <string name="settings_lock_summary">Device credentials</string>

    <string name="settings_background_sync">Background synchronization</string>

    <string name="error_sync">Synchronization failed: %1$s</string>

    <string name="add_category">Add %1$s</string>

    <string name="simple_checkbox">Checkbox</string>

    <string name="unlock_notes">Unlock notes</string>

    <string name="simple_beta">Beta</string>

    <string name="error_dialog_title">Oh no - What now? 🙁</string>

    <string name="error_dialog_tip_token_mismatch_retry">Please try to force close the app and restart it again. There might have been an incorrect connection to the Nextcloud app.</string>

    <string name="error_dialog_tip_token_mismatch_clear_storage">If the issue persists, try to clear the storage of both apps: Nextcloud and Nextcloud Notes to solve this issue.</string>

            android:icon="@drawable/ic_lock_grey600_24dp"

            android:key="@string/pref_key_lock"

            android:layout="@layout/item_pref"

            android:summary="@string/simple_beta"

            android:summary="@string/settings_lock_summary"

            android:title="@string/settings_lock" />

    </it.niedermann.owncloud.notes.branding.BrandedPreferenceCategory>