[BUG]: Dataset upload on tabular model creation does not allow uploading correct file type

[alantao912]

Operating system

Ubuntu

Bug description

Creating a model does not allow user to upload the correct file type.

Steps to reproduce

1. Navigate to DLP dashboard
2. Click 'Train Model'
3. Select Tabular
4. Give your model an arbitrary name
5. Attempt to upload a file ending in .csv
6. Observe that the Toast message does not allow you to upload the file citing "Please upload a file ending in .csv" despite the fact that the file you uploaded is a csv.

[github-actions]

Hello @alantao912! Thank you for submitting the 🐞Bug Request Form. We appreciate your contribution. 👋

We will look into it and provide a response as soon as possible.

To work on this bug request, you can follow these branch setup instructions:

1. Checkout the main branch:

```
 git checkout nextjs
```

2. Pull the latest changes from the remote main branch:

```
 git pull origin nextjs
```

3. Create a new branch specific to this bug request using the issue number:
   git checkout -b bug-1106

Feel free to make the necessary changes in this branch and submit a pull request when you're ready.

Best regards,
Deep Learning Playground (DLP) Team