perf: replace StatusHistory guard with direct reactive assignment

Author: Algorithm5838

src/lib/components/chat/Messages/ResponseMessage/StatusHistory.svelte

@@ -21,12 +21,7 @@
 		status = history.at(-1);
 	}
 
-	$: if (
-		statusHistory.length !== history.length ||
-		JSON.stringify(statusHistory) !== JSON.stringify(history)
-	) {
-		history = statusHistory;
-	}
+	$: history = statusHistory;
 </script>
 
 {#if history && history.length > 0}