Fix blank camera devices on mac

[mgamis-msft]

What

Filtering out all devices with blank names which are the dummy devices from the Calling SDK.

Why

https://skype.visualstudio.com/SPOOL/_workitems/edit/2963211

How Tested

Locally on a Mac

Process & policy checklist

• [ ] I have updated the project documentation to reflect my changes if necessary.
• [ ] I have read the CONTRIBUTING documentation.

Is this a breaking change?

• [ ] This change causes current functionality to break.

[github-actions[bot]]

Chat bundle size is increased❗.

• Current size: 5385759
• Base size: 5385698
• Diff size: 61

[github-actions[bot]]

Calling bundle size is increased❗.

• Current size: 5268251
• Base size: 5268184
• Diff size: 67

[github-actions[bot]]

CallWithChat bundle size is increased❗.

• Current size: 5655363
• Base size: 5655296
• Diff size: 67