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/spreadsheet-import/provider/components/SpreadsheetImportProvider.tsx

@@ -14,12 +14,12 @@ export const SpreadsheetImportProvider = (
     spreadsheetImportState,
   );
 
-  function handleClose() {
+  const handleClose = () => {
     setSpreadsheetImport({
       isOpen: false,
       options: null,
     });
-  }
+  };
 
   return (
     <>