Fix MUI imports

gui/src/app/App.tsx

@@ -1,4 +1,4 @@
-import { createTheme } from "@mui/material";
+import createTheme from "@mui/material/styles/createTheme";
 import { ThemeProvider } from "@mui/system";
 import ProjectContextProvider from "@SpCore/ProjectContextProvider";
 import HomePage from "@SpPages/HomePage";

gui/src/app/CompilationServerConnectionControl/ConfigureCompilationServerDialog.tsx

@@ -3,14 +3,12 @@ import Link from "@mui/material/Link";
 import { FunctionComponent, useCallback, useState } from "react";
 import { localUrl, publicUrl } from "./CompilationServerConnectionControl";
 import FormControl from "@mui/material/FormControl";
-import {
-  Divider,
-  FormControlLabel,
-  FormLabel,
-  Radio,
-  RadioGroup,
-  TextField,
-} from "@mui/material";
+import Divider from "@mui/material/Divider";
+import FormLabel from "@mui/material/FormLabel";
+import RadioGroup from "@mui/material/RadioGroup";
+import FormControlLabel from "@mui/material/FormControlLabel";
+import Radio from "@mui/material/Radio";
+import TextField from "@mui/material/TextField";
 
 type ServerType = "public" | "local" | "custom";
 

gui/src/app/pages/HomePage/Sidebar.tsx

@@ -5,11 +5,12 @@ import { ProjectContext } from "@SpCore/ProjectContextProvider";
 import { modelHasUnsavedChanges } from "@SpCore/ProjectDataModel";
 import LoadProjectWindow from "@SpPages/LoadProjectWindow";
 import SaveProjectWindow from "@SpPages/SaveProjectWindow";
-import { List, ListItem } from "@mui/material";
 import Button from "@mui/material/Button";
 import Divider from "@mui/material/Divider";
 import Drawer from "@mui/material/Drawer";
 import Link from "@mui/material/Link";
+import List from "@mui/material/List";
+import ListItem from "@mui/material/ListItem";
 import Toolbar from "@mui/material/Toolbar";
 import { FunctionComponent, useContext, useMemo } from "react";
 import { useNavigate } from "react-router-dom";