Fixes

• Fix crash when refreshing during callback execution in #760 by @hhubert6
• Explicit formats in SocketDiscoveryController in #754 by @rhcarvalho
• Fix positioning of return arrow in #788 by @kraleppa
• Fix highlighting LiveViews in LiveComponents in #725 by @GuzekAlan
• Add phoenix ~> 1.7 dep in #791 by @srzeszut

Full Changelog: https://github.com/software-mansion/live-debugger/compare/v0.4.1...v0.4.2