It is assumed that Link Spotter has already been added to the channel. Otherwise first follow the instructions under Add Link Spotter to a Team Channel .
Open Link in Browser
by clicking on thumbnail / url / preview / title (grey area) new browser tab opens
icon links as well to the browser tab
use standard browser (open deeplink in Teams)
Copy Link
Copy Url to clipboard
by clicking the icon the link url will be copied to the clipboard
Navigate to Teams Conversation
switch to the original message of a link, to gather more context about the topic
click on that icon you will we redirected to the Teams message (inside in Teams) which contains this link