Feature/use second level mui imports (#743)

* Require "Theme" to be passed to "SxProps"

Decreases typescript performance otherwise

* Disallow "top" and "third-level" MUI imports

* Exclude "node_modules" in tsconfig

src/components/ExtensionCard.tsx

@@ -12,7 +12,7 @@ import CardContent from '@mui/material/CardContent';
 import Button from '@mui/material/Button';
 import Avatar from '@mui/material/Avatar';
 import Typography from '@mui/material/Typography';
-import { Box } from '@mui/material';
+import Box from '@mui/material/Box';
 import { useTranslation } from 'react-i18next';
 import { PartialExtension, TranslationKey } from '@/typings';
 import { requestManager } from '@/lib/requests/RequestManager.ts';