[Refactor] Tidy up utils' files and functions.

src-ui/app/main_page/main_section/message_container/log_box/LogBox.jsx

@@ -2,7 +2,7 @@ import { useEffect, useLayoutEffect, useRef, useState } from "react";
 import styles from "./LogBox.module.scss";
 import { store } from "@store";
 import { MessageContainer } from "./message_container/MessageContainer";
-import { scrollToBottom } from "@utils/scrollToBottom";
+import { scrollToBottom } from "@utils";
 import { useMessage } from "@logics_common";
 
 export const LogBox = () => {

src-ui/app/main_page/main_section/message_container/message_input_box/MessageInputBox.jsx

@@ -3,7 +3,7 @@ import styles from "./MessageInputBox.module.scss";
 import SendMessageSvg from "@images/send_message.svg?react";
 import { useMessage } from "@logics_common";
 import { store } from "@store";
-import { scrollToBottom } from "@utils/scrollToBottom";
+import { scrollToBottom } from "@utils";
 import {
     useSendMessageButtonType,
     useEnableAutoClearMessageInputBox,