feat: second icon on button

[mfazil-eightfold]

SUMMARY:

Added two icons button

With text

When the text is empty

As Dropdown

Screen.Recording.2022-12-21.at.7.38.32.PM.mov

Figma design:
https://www.figma.com/file/SlKRC7oKF7XZyHMv2op4ch/Octuple-DS-(Theme-2)?node-id=292%3A708&t=1XlyIUf3tu00a8ws-1

GITHUB ISSUE (Open Source Contributors)

JIRA TASK (Eightfold Employees Only):

https://eightfoldai.atlassian.net/browse/ENG-38311

CHANGE TYPE:

• Bugfix Pull Request
• Feature Pull Request

TEST COVERAGE:

• Tests for this change already exist
• I have added unittests for this change

TEST PLAN:

[codesandbox-ci]

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@b3046fe). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

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  Coverage        ?   85.00%           
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  Files           ?      749           
  Lines           ?    16054           
  Branches        ?     5498           
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  Hits            ?    13646           
  Misses          ?     2347           
  Partials        ?       61           

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