[lib] Add emote-smile-filled to CommIcons

Summary: Context: https://linear.app/comm/issue/ENG-2886/implement-new-react-icon-for-web-tooltip

Test Plan:
Here's what it looks like:

Reviewers: ashoat, tomek, ginsu, rohan

Reviewed By: ginsu

Differential Revision: https://phab.comm.dev/D6486