feat: enhance image loading performance by adding fetchPriority and loading attributes in multiple components, and update MUI icons chunking in webpack configuration

src/components/PhotoUpload.js

@@ -8,10 +8,8 @@ import {
   Grid,
   Alert
 } from '@mui/material';
-import {
-  Delete,
-  CloudUpload
-} from '@mui/icons-material';
+import Delete from '@mui/icons-material/Delete';
+import CloudUpload from '@mui/icons-material/CloudUpload';
 
 class PhotoUpload extends Component {
   constructor(props) {