fix on_startup operator not executing on startup

app/packages/operators/src/OperatorCore.tsx

@@ -1,12 +1,14 @@
 import OperatorBrowser from "./OperatorBrowser";
 import OperatorInvocationRequestExecutor from "./OperatorInvocationRequestExecutor";
 import OperatorPrompt, { OperatorViewModal } from "./OperatorPrompt";
+import StartupOperatorExecutor from "./StartupOperatorExecutor";
 
 export default function OperatorCore() {
   return (
     <>
       <OperatorBrowser />
       <OperatorInvocationRequestExecutor />
+      <StartupOperatorExecutor />
       <OperatorPrompt />
       <OperatorViewModal />
     </>

app/packages/operators/src/StartupOperatorExecutor.tsx

@@ -0,0 +1,15 @@
+import { useEffect } from "react";
+import { executeStartupOperators } from "./operators";
+
+let startupOperatorsExecuted = false;
+
+export default function StartupOperatorExecutor() {
+  useEffect(() => {
+    if (!startupOperatorsExecuted) {
+      executeStartupOperators();
+      startupOperatorsExecuted = true;
+    }
+  }, []);
+
+  return null;
+}

app/packages/operators/src/loader.tsx

@@ -4,26 +4,19 @@ import { useEffect, useState } from "react";
 import { useRecoilValue, useSetRecoilState } from "recoil";
 import { registerBuiltInOperators } from "./built-in-operators";
 import { useOperatorPlacementsResolver } from "./hooks";
-import { executeStartupOperators, loadOperatorsFromServer } from "./operators";
+import { loadOperatorsFromServer } from "./operators";
 import {
   availableOperatorsRefreshCount,
   operatorsInitializedAtom,
 } from "./state";
 
-let startupOperatorsExecuted = false;
-
 async function loadOperators(datasetName: string) {
   registerBuiltInOperators();
   await loadOperatorsFromServer(datasetName);
-  if (!startupOperatorsExecuted) {
-    executeStartupOperators();
-    startupOperatorsExecuted = true;
-  }
 }
 
 /**
- * Load built-in and installed JavaScript and Python operators and queue all
- *  start-up operators for execution.
+ * Load built-in and installed JavaScript and Python operators and initialize
  */
 export function useOperators(datasetLess?: boolean) {
   const [ready, setReady] = useState(false);