remove session collection

src/components/Navbar/components/MobileNav/MobileNav.jsx

             disableGutters={true}
             onClick={() => {
               sessionStorage.setItem('amber-select-product-type', productType)
+              sessionStorage.removeItem('amber-select-collection')
               if (collection?.length == 0) window.location.href = `/products`;
             }}
             sx={{