Fix modal items cannot scroll on touch devices (#10605)

app/javascript/styles/mastodon/components.scss

@@ -4085,6 +4085,11 @@ a.status-card.compact:hover {
   ul {
     overflow-y: auto;
     flex-shrink: 0;
+    max-height: 80vh;
+
+    &.with-status {
+      max-height: calc(80vh - 75px);
+    }
 
     li:empty {
       margin: 0;