style: changed scroll icon size via size attribute as suggested (#263)

components/Chat/Chat.tsx

@@ -306,7 +306,7 @@ export const Chat: FC<Props> = memo(
               className="flex h-7 w-7 items-center justify-center rounded-full bg-white shadow-md hover:shadow-lg focus:outline-none focus:ring-2 focus:ring-blue-500 dark:bg-[#515152d7]"
               onClick={handleScrollDown}
             >
-              <IconArrowDown className="h-4 w-4" />
+              <IconArrowDown size={18}/>
             </button>
           </div>
         )}