magento2: Duplicated elements id in checkout page

Preconditions

1. Magento 2.1.10

Steps to reproduce

1. Go to Stores -> Configuration -> Sales -> Sales under Gift Options and set both Allow Gift Messages to YES
2. Put something in cart and go to checkout or cart page

Expected result

1. Two forms for gift messages having fields with unique ids

Actual result

1. Two forms for gift messages having fields with non unique ids

[DOM] Found 2 elements with non-unique id #gift-message-whole-from: (More info: https://goo.gl/9p2vKq) <input type=​"text" id=​"gift-message-whole-from" class=​"input-text" data-bind=​"value:​ getObservable('sender')​">​ <input type=​"text" id=​"gift-message-whole-from" class=​"input-text" data-bind=​"value:​ getObservable('sender')​">

[DOM] Found 2 elements with non-unique id #gift-message-whole-to: (More info: https://goo.gl/9p2vKq) <input type=​"text" id=​"gift-message-whole-to" class=​"input-text" data-bind=​"value:​ getObservable('recipient')​">​ <input type=​"text" id=​"gift-message-whole-to" class=​"input-text" data-bind=​"value:​ getObservable('recipient')​">​

Non unique ids alert appears too in checkout payment choice:

[DOM] Found 2 elements with non-unique id #billing-new-address-form: (More info: https://goo.gl/9p2vKq) <fieldset id=​"billing-new-address-form" class=​"fieldset address">​…​</fieldset>​ <fieldset id=​"billing-new-address-form" class=​"fieldset address">​…​</fieldset>​