Fix prop issues in select component

[claudiulodro]

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Changes proposed in this Pull Request:

Related #64

This PR fixes issues caused by destructuring assignment in the select component render. Props that are destructured need to be passed on to the base component, otherwise the base component won't have the information.

How to test the changes in this Pull Request:

1. Before applying this patch, go to the components demo. Observe that the first select has 'First' as the selected variable, even though the code says 'Second'. Observe that the disabled select is not truly disabled:

2. Apply this patch. Go to the components demo. Observe that the first select has 'Second' and the disabled select is actually disabled:

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?