[WebUI/ScrapePoolList] Case-insensitive search of "Scrape Pools" (#12207)

Signed-off-by: hayk96 <hayko5999@gmail.com>

web/ui/react-app/src/pages/targets/ScrapePoolList.tsx

@@ -31,6 +31,8 @@ const ScrapePoolDropDown: FC<ScrapePoolDropDownProps> = ({ selectedPool, scrapeP
 
   const [filter, setFilter] = useState<string>('');
 
+  const filteredPools = scrapePools.filter((pool) => pool.toLowerCase().includes(filter.toLowerCase()));
+
   return (
     <Dropdown isOpen={dropdownOpen} toggle={toggle}>
       <DropdownToggle caret className="mw-100 text-truncate">
@@ -51,9 +53,7 @@ const ScrapePoolDropDown: FC<ScrapePoolDropDownProps> = ({ selectedPool, scrapeP
         {scrapePools.length === 0 ? (
           <DropdownItem disabled>No scrape pools configured</DropdownItem>
         ) : (
-          scrapePools
-            .filter((name) => filter === '' || name.includes(filter))
-            .map((name) => (
+          filteredPools.map((name) => (
             <DropdownItem key={name} value={name} onClick={() => onScrapePoolChange(name)} active={name === selectedPool}>
               {name}
             </DropdownItem>