Material-UI, my Toggle Switch are so ugly - reactjs

Question

I'm new with Material UI and I don't understand why my Toggle looks like that...1 and 2
I don't have any compilations issues and my code is very simple :
return (
<Grid container spacing={2}>
<Grid item xs={6}><Button variant="contained" >{exploitantLigne.raisonSociale}</Button></Grid>
<Grid item xs={3}></Grid>
<Grid item xs={3}>
<FormGroup>
<FormControlLabel control={<Switch defaultChecked />} color="primary" label="" />
</FormGroup>
</Grid>
</Grid>
);
And of course, in SandBox everything works perfectly !
Here is my Package.json, Do Idid anything wrong ?
{
"name": "ve-session",
"version": "0.1.0",
"private": true,
"dependencies": {
"#emotion/react": "^11.7.1",
"#emotion/styled": "^11.6.0",
"#material-ui/core": "^4.12.3",
"#mui/icons-material": "^5.4.2",
"#mui/lab": "^5.0.0-alpha.69",
"#mui/material": "^5.4.2",
"#mui/styled-engine-sc": "^5.4.2",
"#mui/styles": "^5.4.2",
"#testing-library/jest-dom": "^5.16.2",
"#testing-library/react": "^12.1.3",
"#testing-library/user-event": "^13.5.0",
"#types/react": "^17.0.39",
"#types/react-dom": "^17.0.11",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-router-dom": "^6.2.1",
"react-scripts": "5.0.0",
"styled-components": "^5.3.3",
"ts-loader": "^9.2.6",
"typescript": "^4.5.5",
"web-vitals": "^2.1.4"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}
Thanks !

Answer 1

I assume that there is a mismatch between the MUI component imports and the version you've installed. I just used the correct way of importing the components.
See the sandbox link
And code below
import "./styles.css";
import Switch from "#mui/material/Switch";
import Grid from "#mui/material/Grid";
import Button from "#mui/material/Button";
import FormGroup from "#mui/material/FormGroup";
import FormControlLabel from "#mui/material/FormControlLabel";
export default function App() {
return (
<Grid container spacing={2}>
<Grid item xs={6} sx={{ pl: "10px" }}>
<Button variant="contained">exploitantLigne.raisonSociale</Button>
</Grid>
<Grid item xs={3}></Grid>
<Grid item xs={3}>
<FormGroup>
<FormControlLabel
control={<Switch defaultChecked />}
color="primary"
label=""
/>
</FormGroup>
</Grid>
</Grid>
);
}