The "Slug Copied to Clipboard" message is displayed under other page elements

[data-sync-user]

[Steps to reproduce]:

1. Navigate to any delivery and click on the slug to copy it.
2. Scroll down the page as the "Slug Copied to Clipboard" message is displayed.

[Expected result]:

• The message is displayed on top of all other page elements.

[Actual result]:

• The message is displayed under several page elements.

[Notes]:

• Attached a screen recording of the issue:

┆Issue is synchronized with this Jira Bug ┆Attachments: copied to clipboard message.gif