Replaced inline div to use carbon grid in order component

[peach280]

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Summary

This PR deals with replacing inline div with carbon grid in add sample and additional questions component.
I made same pr as they both are inside order component.
The pages are working fine in add order as well as edit order page.

Screenshots

Add Sample(Add order)
Desktop
before:

after:

Mobile:
before:

after:

Order Entry Additional Questions
Add order:

Desktop
before:

after:

Mobile:
before:

after:

Edit order:
Desktop:
before:

after:

Mobile:
before:

after: