feat: Render diffs in email notifications (#4164)

* deps

* diffCompact

* Diffs in email

* test

* fix: Fade deleted images
fix: Don't include empty paragraphs as context
fix: Allow for same image multiple times and refactor

* Remove target _blank

* fix: Table heading incorrect color

server/emails/templates/InviteEmail.tsx

@@ -57,7 +57,7 @@ Join now: ${teamUrl}
           </p>
           <EmptySpace height={10} />
           <p>
-            <Button href={teamUrl}>Join now</Button>
+            <Button href={`${teamUrl}?ref=invite-email`}>Join now</Button>
           </p>
         </Body>