fix: handleOnSearch not undefined

Author: SBIN2010

superset-frontend/packages/superset-ui-core/src/components/Select/Select.tsx

@@ -27,7 +27,6 @@ import {
   ClipboardEvent,
   Ref,
   ReactElement,
-  useRef,
 } from 'react';
 
 import { ensureIsArray, t, usePrevious } from '@superset-ui/core';
@@ -137,8 +136,6 @@ const Select = forwardRef(
     );
     const [onChangeCount, setOnChangeCount] = useState(0);
     const previousChangeCount = usePrevious(onChangeCount, 0);
-    const cancelRef = useRef<(() => void) | null>(null);
-    const isMounted = useRef(true);
     const fireOnChange = useCallback(
       () => setOnChangeCount(onChangeCount + 1),
       [onChangeCount],
@@ -403,26 +400,12 @@ const Select = forwardRef(
       onSearch?.(searchValue);
     }, Constants.FAST_DEBOUNCE);
 
-    useEffect(
-      () => () => {
-        isMounted.current = false;
-      },
-      [],
-    );
-
     useEffect(() => {
-      cancelRef.current = handleOnSearch.cancel;
+      if (handleOnSearch !== undefined) {
+        handleOnSearch.cancel();
+      }
     }, [handleOnSearch]);
 
-    useEffect(
-      () => () => {
-        if (!isMounted.current) {
-          cancelRef.current?.();
-        }
-      },
-      [],
-    );
-
     const handleOnDropdownVisibleChange = (isDropdownVisible: boolean) => {
       setIsDropdownVisible(isDropdownVisible);