[Refactor] store.js, etc..: Rename variables and functions.

suffix '_Status' is for async. It has 'loading' state, for now.

src-ui/windows/config_window/topbar/section_title_box/SectionTitleBox.jsx

@@ -1,13 +1,13 @@
 import { useTranslation } from "react-i18next";
 import styles from "./SectionTitleBox.module.scss";
-import { useSelectedConfigTab } from "@store";
+import { useSelectedConfigTabId } from "@store";
 
 export const SectionTitleBox = () => {
     const { t } = useTranslation();
-    const { currentSelectedConfigTab } = useSelectedConfigTab();
+    const { currentSelectedConfigTabId } = useSelectedConfigTabId();
     return (
         <div className={styles.container}>
-            <p className={styles.title}>{t(`config_window.side_menu_labels.${currentSelectedConfigTab}`)}</p>
+            <p className={styles.title}>{t(`config_window.side_menu_labels.${currentSelectedConfigTabId}`)}</p>
         </div>
     );
 };