Change hide media button to be in top right corner in web UI (#32048)

app/javascript/styles/mastodon/components.scss

@@ -6889,7 +6889,7 @@ a.status-card {
 
 .media-gallery__actions {
   position: absolute;
-  bottom: 6px;
+  top: 6px;
   inset-inline-end: 6px;
   display: flex;
   gap: 2px;
@@ -6912,7 +6912,7 @@ a.status-card {
 .media-gallery__item__badges {
   position: absolute;
   bottom: 8px;
-  inset-inline-start: 8px;
+  inset-inline-end: 8px;
   display: flex;
   gap: 2px;
 }