MC-4459: Convert OnePageCheckoutOfflinePaymentMethodsTest to MFTF

Fixed locator

Author: soumyau

app/code/Magento/Checkout/Test/Mftf/Section/CheckoutShippingSection.xml

@@ -39,7 +39,7 @@
         <element name="editActiveAddress" type="button" selector="//div[@class='shipping-address-item selected-item']//span[text()='Edit']" timeout="30"/>
         <element name="loginButton" type="button" selector="//button[@data-action='checkout-method-login']" timeout="30"/>
         <element name="editActiveAddressButton" type="button" selector="//div[contains(@class,'payment-method _active')]//button[contains(@class,'action action-edit-address')]" timeout="30"/>
-        <element name="emailAddress" type="input" selector="#checkout-customer-email"/>
+        <element name="emailAddress" type="input" selector="#customer-email"/>
         <element name="shipHereButton" type="button" selector="//div[text()='{{street}}']/button[@class='action action-select-shipping-item']" parameterized="true" timeout="30"/>
         <element name="textFieldAttrRequireMessage" type="text" selector="//input[@name='custom_attributes[{{attribute}}]']/ancestor::div[contains(@class, 'control')]/div/span" parameterized="true" timeout="30"/>
         <element name="textFieldAttribute" type="input" selector="[name*='custom_attributes[{{attribute}}]']" parameterized="true" timeout="30"/>