Merge pull request #18907 from jeclrsg/hpcc-32277-multi-select-async-…

…dropdown-onChange

HPCC-32277 ECL Watch v9 fix async multiselect onChange

esp/src/src-react/components/forms/Fields.tsx

@@ -119,7 +119,7 @@ const AsyncDropdown: React.FunctionComponent<AsyncDropdownProps> = ({
         const keys = selectedKey !== "" ? selectedKey.split(valueSeparator) : [];
         let items = [...selectedItems];
         if (keys.length === items.length) return;
-        if (selectedKeys !== "" && selOptions.length && selectedKey === "") {
+        if (selectedKeys !== "" && selOptions.length && selectedKey === "" && selectedKeys === items.map(i => i.key).join("|")) {
             setSelectedItems([]);
             return;
         }