This diff adds the following new icons to the CommIcon pack: `reply-filled`, `link_plus-outline`, `unpin-outline` and `pin-outline`. These changes were copy and pasted from files given to me by Ted.
I also added the icons to our [[ https://www.dropbox.com/scl/fo/965l3r3j6gon9pfyn9791/h?dl=0&rlkey=fka6jx84nvb3o1nk1t9za2qrj | dropbox ]]