Add new story for darkmode (#317)

* Add a new story for dark mode

* Reorganize storybook menu

* Fix command menu margins

* Fix tests

front/src/modules/search/components/CommandMenuStyles.tsx

@@ -10,7 +10,6 @@ export const StyledDialog = styled(Command.Dialog)`
   max-width: 640px;
   overflow: hidden;
   padding: 0;
-  padding: 25px;
   position: fixed;
   top: 50%;
   transform: translate(-50%, -50%);

front/src/modules/search/components/__stories__/CommandMenu.stories.tsx

@@ -5,7 +5,7 @@ import { getRenderWrapperForPage } from '~/testing/renderWrappers';
 import { CommandMenu } from '../CommandMenu';
 
 const meta: Meta<typeof CommandMenu> = {
-  title: 'Pages/Search/CommandMenu',
+  title: 'Modules/Search/CommandMenu',
   component: CommandMenu,
 };