FIX: adds negative skidding to popper offset (#19958)

Learn more about skidding here: https://popper.js.org/docs/v2/modifiers/offset/#skidding-1

This change has two goals:
- Fixes an issue when the user had zoomed the viewport and the popper would position on the opposite side
- Makes msg actions arguably more pleasant to the eye by preventing it to be right aligned with the message container

plugins/chat/assets/javascripts/discourse/components/chat-message-actions-desktop.js

@@ -33,7 +33,7 @@ export default Component.extend({
             { name: "eventListeners", options: { scroll: false } },
             {
               name: "offset",
-              options: { offset: [0, MSG_ACTIONS_VERTICAL_PADDING] },
+              options: { offset: [-2, MSG_ACTIONS_VERTICAL_PADDING] },
             },
           ],
         }