Drupal 8.x

I was wondering if there is a way to achieve the list field with the below settings:

en|English
en|Eng
en|english

When I try the above configuration, I get only 'english' in the frontend form.

Hello.

There is a problem. There is a multilingual node type with many translations? English is the default language. 

And one needs to change the content of a field on some (not all) non-English translations upon changing this field on the English translation of the node.
I'm trying to do it using the hook_node_update hook (a variant of the hook_entity_update hook).

When I see the source of the rendered page,  I see that contextual links are rendered in a <div> element.

'div' is a block element.'span' is inline element. I would prefer a span element here, in order to have proper display.

I see the following snippet in /core/modules/contextual/src/Element/ContextualLinksPlaceholder.php

public static function preRenderPlaceholder(array $element) {

...

...