Briar v1.2.123

What's Changed

• feat: 이미지 확대 모달 및 다운로드 추가 by @siisee11 in #1028
• Replace landing page demo video by @siisee11 in #1029
• 인박스 채널 항목에 보낸 사람 아바타 표시 by @siisee11 in #1030
• Change loading spinner to pixel-grid loader by @siisee11 in #1031
• chore: release v1.2.123 by @siisee11 in #1032

Full Changelog: v1.2.122...v1.2.123