fix: unify home download button sizing

src/components/messageStream/bubbles/FileDocBubble.tsx

@@ -167,7 +167,7 @@ function LatestFileCard({ post }: { post: Post }) {
             type="button"
             onClick={handleDownload}
             disabled={isDownloading}
-            className="flex h-10 w-10 shrink-0 items-center justify-center rounded-full bg-[#191921] transition hover:bg-[#22232D] disabled:cursor-wait"
+            className="flex h-9 w-9 shrink-0 items-center justify-center rounded-full bg-[#191921] transition hover:bg-[#22232D] disabled:cursor-wait"
             aria-label={
               isDownloading ? t("downloading") : `Download ${att.filename}`
             }
@@ -175,11 +175,11 @@ function LatestFileCard({ post }: { post: Post }) {
           >
             {isDownloading ? (
               <LoaderCircle
-                className="h-5 w-5 animate-spin text-[#A8A9AE]"
+                className="h-4 w-4 animate-spin text-[#A8A9AE]"
                 strokeWidth={2.3}
               />
             ) : (
-              <DownloadCloudIcon />
+              <DownloadCloudIcon className="h-5 w-5" />
             )}
           </button>
         </div>