Fixed avatar aspect ratio in add details popup (TryGhost#27832)

Closes
https://linear.app/ghost/issue/DES-1373/oss-issue-ui-avatar-aspect-ratio-on-comments-due-to-expertise
and TryGhost#27795

Ensures that avatars retain their aspect ratio when expertise wrap over more than 1 line.

Author: weylandswart

apps/comments-ui/src/components/popups/add-details-popup.tsx

@@ -80,7 +80,7 @@ const AddDetailsPopup = (props: Props) => {
                     appear
                 >
                     <div className="flex flex-row items-center justify-start gap-3 pr-4">
-                        <div className="size-10 rounded-full border-2 border-white bg-cover bg-no-repeat" style={{backgroundImage: `url(${profile.avatar})`}} />
+                        <div className="size-10 shrink-0 rounded-full border-2 border-white bg-cover bg-no-repeat" style={{backgroundImage: `url(${profile.avatar})`}} />
                         <div className="flex flex-col items-start justify-center">
                             <div className="font-sans text-base font-semibold tracking-tight text-white">
                                 {profile.name}