Fix RBSent parsing from cardano-node log

Author: ch1bo

ui/src/components/Sim/hooks/useLokiWebSocket.ts

@@ -264,7 +264,7 @@ function connectLokiWebSocket(lokiHost: string, dispatch: any): () => void {
   // 3. Loki naturally returns results in chronological order within a single stream
   // 4. Sorting large event arrays in the reducer is too expensive for dense simulation data
   const query =
-    '{service="cardano-node"} |~ "SendBlock|MsgBlock|CompletedBlockFetch|MsgLeiosBlock"';
+    '{service="cardano-node"} |~ "BlockFetchServer|MsgBlock|CompletedBlockFetch|MsgLeiosBlock"';
   const wsUrl = `ws://${lokiHost}/loki/api/v1/tail?query=${encodeURIComponent(query)}&limit=5000`;
   console.log("Connecting to Loki:", wsUrl);