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

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

src-ui/windows/main_window/sidebar_section/SidebarSection.jsx

@@ -1,7 +1,7 @@
 import clsx from "clsx";
 
 import styles from "./SidebarSection.module.scss";
-import { useIsCompactMode } from "@store";
+import { useMainWindowCompactModeStatus } from "@store";
 
 import { Logo } from "./logo/Logo";
 import { MainFunctionSwitch } from "./main_function_switch/MainFunctionSwitch";
@@ -9,16 +9,16 @@ import { LanguageSettings } from "./language_settings/LanguageSettings";
 import { OpenSettings } from "./open_settings/OpenSettings";
 
 export const SidebarSection = () => {
-    const { currentIsCompactMode } = useIsCompactMode();
+    const { currentMainWindowCompactModeStatus } = useMainWindowCompactModeStatus();
     const container_class_name = clsx(styles["container"], {
-        [styles["is_compact_mode"]]: currentIsCompactMode
+        [styles["is_compact_mode"]]: currentMainWindowCompactModeStatus
     });
 
     return (
         <div className={container_class_name}>
             <Logo />
             <MainFunctionSwitch />
-            {!currentIsCompactMode && <LanguageSettings />}
+            {!currentMainWindowCompactModeStatus && <LanguageSettings />}
             <OpenSettings />
         </div>
     );