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/button/components/MainButton.tsx

@@ -91,13 +91,13 @@ type MainButtonProps = Props & {
   Icon?: IconComponent;
 };
 
-export function MainButton({
+export const MainButton = ({
   Icon,
   title,
   fullWidth = false,
   variant = 'primary',
   ...props
-}: MainButtonProps) {
+}: MainButtonProps) => {
   const theme = useTheme();
   return (
     <StyledButton fullWidth={fullWidth} variant={variant} {...props}>
@@ -105,4 +105,4 @@ export function MainButton({
       {title}
     </StyledButton>
   );
-}
+};