fix(frontend): a filter written to the url survives another url write, the chat picked with alt and arrows stays in view

frontend/src/lib/components/ChatList.svelte

@@ -83,6 +83,11 @@
       if (index === -1 || viewport === null) {
         return;
       }
+      const row = viewport.querySelector<HTMLElement>(".Chat.selected");
+      if (row) {
+        row.scrollIntoView({ block: "nearest" });
+        return;
+      }
       const top = index * rowHeight;
       if (top < viewport.scrollTop) {
         viewport.scrollTop = top;