[ Feature ] :: Implement portal solution for dropdown

[stepinfwd]

Is your feature request related to a problem? Please describe.
When using nested containers / divs the dropdown will be opening below the parent container rather than showing upfront.

Describe the solution you'd like
Implement a portal : https://reactjs.org/docs/portals.html
https://react-select.com/advanced#portaling

Add any other context or screenshots about the feature request here.
https://user-images.githubusercontent.com/31006028/184071864-f0096a78-1ebf-4fb5-a0cd-61ca0b6f25a5.mov

[harshzalavadiya]

@stepinfwd why not just portal entire component?

https://codesandbox.io/s/rmsc-portal-example-823r4k

closing this for now

[harshzalavadiya]

Re-opening this, I guess this can be taken as low priority for now, but will be nice to have

due to current technical limitations/styling issues this will take a lot of restructuring

p.s. PRs are welcome