add webex smart audio icons

[github-haoyang]

Description

add webex smart audio icons

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots:

Before (If applicable):

After:

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation update
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Other... Please describe:

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.30% :tada:

Comparison is base (c797780) 93.95% compared to head (feb9755) 94.25%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1472 +/- ## ========================================== + Coverage 93.95% 94.25% +0.30% ========================================== Files 134 134 Lines 18849 18849 Branches 2866 2871 +5 ========================================== + Hits 17709 17766 +57 + Misses 1140 1083 -57 ``` [see 12 files with indirect coverage changes](https://app.codecov.io/gh/momentum-design/momentum-ui/pull/1472/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=momentum-design)

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