fix: Language cache sight

src/app/index.tsx

@@ -3,12 +3,12 @@ import * as React from "react";
 import { BrowserRouter } from "react-router-dom";
 
 import { Router } from "./router";
-import { theme } from "@shared";
+import { CustomTheme } from "@shared";
 import { ThemeProvider } from "@mui/material/styles";
 import { ToastContainer } from "react-toastify";
 
 export const App: React.FC = () => (
-  <ThemeProvider theme={theme}>
+  <ThemeProvider theme={CustomTheme.Light}>
     <ToastContainer />
     <BrowserRouter>
       <Router />