Input: Explore implementing outlined styles using fieldset

[simeonoff]

The current implementation of the outlined input styles in the material theme is a bit too complicated and rigid. Explore ways to use fieldset instead so we can get the "cutout" for the label.

Related #1094

[desig9stein]

The implementation of a fieldset approach is not feasible within our component due to the structural design of our prefixes and suffixes. Given that, each prefix item may possess a background, The label goes on top of the prefixes which results in the label appearing cut off. here is a POC

[simeonoff]

I will keep this issue open for reference.