Change to using arrow functions (#1603)

* Change to using arrow functions

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: Matheus <matheus_benini@hotmail.com>

* Add lint rule

---------

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: Matheus <matheus_benini@hotmail.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

front/src/modules/ui/right-drawer/components/RightDrawerTopBarExpandButton.tsx

@@ -8,14 +8,14 @@ import {
 
 import { isRightDrawerExpandedState } from '../states/isRightDrawerExpandedState';
 
-export function RightDrawerTopBarExpandButton() {
+export const RightDrawerTopBarExpandButton = () => {
   const [isRightDrawerExpanded, setIsRightDrawerExpanded] = useRecoilState(
     isRightDrawerExpandedState,
   );
 
-  function handleButtonClick() {
+  const handleButtonClick = () => {
     setIsRightDrawerExpanded(!isRightDrawerExpanded);
-  }
+  };
 
   return (
     <LightIconButton
@@ -29,4 +29,4 @@ export function RightDrawerTopBarExpandButton() {
       onClick={handleButtonClick}
     />
   );
-}
+};