[Bug]: Cannot read the table name when it is contains capital letters

### What happened?

When the table name contains capital letter, Data Api Builder will convert it into lower case and hence the table cannot be read

### Version

Microsoft.DataApiBuilder 1.1.7+74ea6c5f37f8629fd7f8b13fc56027bf0bf0a93a

### What database are you using?

PostgreSQL

### What hosting model are you using?

Local (including CLI)

### Which API approach are you accessing DAB through?

REST

### Relevant log output

_No response_

### Code of Conduct

- [X] I agree to follow this project's Code of Conduct
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