fixed condition when can show password input. Fixed logic for pulling email value from persistent storage

Author: ProkopovVitaliy

app/code/Magento/Checkout/view/frontend/web/js/view/form/element/email.js

@@ -113,6 +113,7 @@ define([
 
             $.when(this.isEmailCheckComplete).done(function () {
                 this.isPasswordVisible(false);
+                checkoutData.setCheckedEmailValue('');
             }.bind(this)).fail(function () {
                 this.isPasswordVisible(true);
                 checkoutData.setCheckedEmailValue(this.email());
@@ -192,7 +193,7 @@ define([
          * @returns {Boolean} - initial visibility state.
          */
         resolveInitialPasswordVisibility: function () {
-            if (checkoutData.getInputFieldEmailValue() !== '' && checkoutData.getCheckedEmailValue() === '') {
+            if (checkoutData.getInputFieldEmailValue() !== '' && checkoutData.getCheckedEmailValue() !== '') {
                 return true;
             }