271 remove is command menu v2 enabled (#10809)

Closes https://github.com/twentyhq/core-team-issues/issues/271

This PR
- Removes the feature flag IS_COMMAND_MENU_V2_ENABLED
- Removes all old Right drawer components
- Removes the Action menu bar
- Removes unused Copilot page

packages/twenty-front/src/modules/favorites/components/PageFavoriteButton.tsx

@@ -1,6 +1,4 @@
-import { useIsFeatureEnabled } from '@/workspace/hooks/useIsFeatureEnabled';
-import { Button, IconButton, IconHeart, IconHeartOff } from 'twenty-ui';
-import { FeatureFlagKey } from '~/generated/graphql';
+import { Button, IconHeart, IconHeartOff } from 'twenty-ui';
 
 type PageFavoriteButtonProps = {
   isFavorite: boolean;
@@ -13,33 +11,16 @@ export const PageFavoriteButton = ({
 }: PageFavoriteButtonProps) => {
   const title = isFavorite ? 'Remove from favorites' : 'Add to favorites';
 
-  const isCommandMenuV2Enabled = useIsFeatureEnabled(
-    FeatureFlagKey.IsCommandMenuV2Enabled,
-  );
-
   return (
-    <>
-      {isCommandMenuV2Enabled ? (
-        <Button
-          Icon={isFavorite ? IconHeartOff : IconHeart}
-          dataTestId="favorite-button"
-          size="small"
-          variant="secondary"
-          accent="default"
-          title={title}
-          onClick={onClick}
-          ariaLabel={title}
-        />
-      ) : (
-        <IconButton
-          Icon={IconHeart}
-          size="medium"
-          variant="secondary"
-          data-testid="add-button"
-          accent={isFavorite ? 'danger' : 'default'}
-          onClick={onClick}
-        />
-      )}
-    </>
+    <Button
+      Icon={isFavorite ? IconHeartOff : IconHeart}
+      dataTestId="favorite-button"
+      size="small"
+      variant="secondary"
+      accent="default"
+      title={title}
+      onClick={onClick}
+      ariaLabel={title}
+    />
   );
 };