Don't enable signature when signature input during setup was left empty

    return AccountOptions(

        accountName = accountName.value,

        displayName = displayName.value,

        emailSignature = emailSignature.value,

        emailSignature = emailSignature.value.takeIf { it.isNotEmpty() },

        checkFrequencyInMinutes = checkFrequency.minutes,

        messageDisplayCount = messageDisplayCount.count,

        showNotification = showNotification,

import app.k9mail.feature.account.setup.domain.input.StringInputField

import assertk.assertThat

import assertk.assertions.isEqualTo

import assertk.assertions.isNull

import org.junit.Test

class AccountOptionsStateMapperKtTest {

            ),

        )

    }

    @Test

    fun `empty signature should map to null`() {

        val state = AccountOptionsContract.State(emailSignature = StringInputField(""))

        val result = state.toAccountOptions()

        assertThat(result.emailSignature).isNull()

    }

}