Use id as uniqueness criterion when searching for host targets

- Addresses an issue where unique hosts with the same name as another host that is
    already selected were not listed in search results

frontend/components/LiveQuery/TargetsInput/TargetsInput.tsx

@@ -12,7 +12,6 @@ import TableContainer from "components/TableContainer";
 import { ITargestInputHostTableConfig } from "./TargetsInputHostsTableConfig";
 
 interface ITargetsInputProps {
-  tabIndex?: number;
   searchText: string;
   searchResults: IHost[];
   isTargetsLoading: boolean;
@@ -35,7 +34,6 @@ const baseClass = "targets-input";
 const DEFAULT_LABEL = "Target specific hosts";
 
 const TargetsInput = ({
-  tabIndex,
   searchText,
   searchResults,
   isTargetsLoading,
@@ -52,7 +50,7 @@ const TargetsInput = ({
 }: ITargetsInputProps): JSX.Element => {
   const dropdownRef = useRef<HTMLDivElement | null>(null);
   const dropdownHosts =
-    searchResults && pullAllBy(searchResults, targetedHosts, "display_name");
+    searchResults && pullAllBy(searchResults, targetedHosts, "id");
 
   const [isActiveSearch, setIsActiveSearch] = useState(false);