[@mantine/hooks] use-eye-dropper: Fix Opera being incorrectly detecte…

…d as a supported browser (#6307)

* Update use-eye-dropper.ts

Added additional check for Opera browser, if it is Opera browser then do not show EyeDropper.

* fix: Removed extra indent.

packages/@mantine/hooks/src/use-eye-dropper/use-eye-dropper.ts

@@ -9,11 +9,15 @@ export interface EyeDropperOpenReturnType {
   sRGBHex: string;
 }
 
+function isOpera() {
+  return navigator.userAgent.includes('OPR');
+}
+
 export function useEyeDropper() {
   const [supported, setSupported] = useState(false);
 
   useIsomorphicEffect(() => {
-    setSupported(typeof window !== 'undefined' && 'EyeDropper' in window);
+    setSupported(typeof window !== 'undefined' && !isOpera() && 'EyeDropper' in window);
   }, []);
 
   const open = useCallback(