fix(a11y): use Image as alt when there isn't a description

components/status/StatusAttachment.vue

@@ -139,7 +139,7 @@ useIntersectionObserver(video, (entries) => {
           :srcset="srcset"
           :width="attachment.meta?.original?.width"
           :height="attachment.meta?.original?.height"
-          :alt="attachment.description!"
+          :alt="attachment.description ?? 'Image'"
           :style="{
             aspectRatio,
             objectPosition,