feat(desktop): Image Preview support for Image Attachments (#7841)

packages/ui/src/components/message-part.css

@@ -40,10 +40,6 @@
       border-color: var(--border-strong-base);
     }
 
-    &[data-clickable="true"] {
-      cursor: pointer;
-    }
-
     &[data-type="image"] {
       width: 48px;
       height: 48px;

packages/ui/src/components/message-part.tsx

@@ -327,7 +327,6 @@ export function UserMessageDisplay(props: { message: UserMessage; parts: PartTyp
               <div
                 data-slot="user-message-attachment"
                 data-type={file.mime.startsWith("image/") ? "image" : "file"}
-                data-clickable={file.mime.startsWith("image/") && !!file.url}
                 onClick={() => {
                   if (file.mime.startsWith("image/") && file.url) {
                     openImagePreview(file.url, file.filename)