Fix a weird race condition where the worker wouldn't be ready when it needed to be

src/solver/rollQueue.ts

@@ -52,12 +52,14 @@ const handleRollWorker = async (rq: QueuedRoll) => {
 		}
 	}, config.limits.workerTimeout);
 
+	rollWorker.addEventListener('message', async (workerMessage) => {
+		if (workerMessage.data === 'ready') {
 			rollWorker.postMessage({
 				rollCmd: rq.rollCmd,
 				modifiers: rq.modifiers,
 			});
-
-	rollWorker.addEventListener('message', async (workerMessage) => {
+			return;
+		}
 		let apiErroredOut = false;
 		try {
 			currentWorkers--;

src/solver/rollWorker.ts

@@ -1,5 +1,9 @@
 import { parseRoll } from './parser.ts';
 
+// Alert rollQueue that this worker is ready
+self.postMessage('ready');
+
+// Handle the roll
 self.onmessage = async (e: any) => {
 	const payload = e.data;
 	const returnmsg = parseRoll(payload.rollCmd, payload.modifiers) || {