Fix toggle theme

app/theme-registy.js

@@ -1,7 +1,7 @@
 'use client'
 
 import PropTypes from 'prop-types'
-import {extendTheme, ThemeProvider} from '@mui/material/styles'
+import {createTheme, ThemeProvider} from '@mui/material/styles'
 import InitColorSchemeScript from '@mui/material/InitColorSchemeScript'
 import CssBaseline from '@mui/material/CssBaseline'
 
@@ -17,7 +17,7 @@ import PlausibleProvider from 'next-plausible'
 import ChanjeTem from '../components/chanje-tem'
 import NextAppDirEmotionCacheProvider from './emotion-cache-provider'
 
-const theme = extendTheme({
+const theme = createTheme({
   colorSchemes: {
     light: {
       palette: {