Display correct timestamp in messages and contact list (!23) · Merge requests · briar / Briar Desktop · GitLab

Got some inspiration from briar-headless for the contact list: https://code.briarproject.org/briar/briar/-/blob/release-1.3.8/briar-headless/src/main/java/org/briarproject/briar/headless/contact/ContactControllerImpl.kt#L81

Closes #53 (closed).