[Refactor] Move to src-ui/views and src-ui/logics structure.

src-ui/views/app/main_page/sidebar_section/logo/Logo.jsx

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+import styles from "./Logo.module.scss";
+
+export const Logo = () => {
+    return (
+        <div className={styles.container}>
+            <LogoBox />
+        </div>
+    );
+};
+
+
+import vrct_logo from "@images/vrct_logo_for_dark_mode.png";
+import chato_img from "@images/chato_white.png";
+import { useIsMainPageCompactMode } from "@logics_main";
+
+export const LogoBox = () => {
+    const { currentIsMainPageCompactMode } = useIsMainPageCompactMode();
+    if (currentIsMainPageCompactMode.data === true) {
+        return <img src={chato_img} className={styles.logo_chato} alt="VRCT logo chato" />;
+    } else {
+        return <img src={vrct_logo} className={styles.logo} alt="VRCT logo" />;
+    }
+};

src-ui/views/app/main_page/sidebar_section/logo/Logo.module.scss

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+.container {
+    height: var(--main_page_topbar_height);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    flex-shrink: 0;
+}
+
+.logo {
+    width: 12rem;
+    height: auto;
+    margin: auto;
+}
+
+.logo_chato {
+    width: 2rem;
+    height: auto;
+    margin: auto;
+}