v3.9.4

What's Changed

🐞 Bug fixed

• 🔙 from #583 - Prevent "Uncaught TypeError: n.context[i.value][u] is undefined" when adding external WMS Layer by @github-actions in #584
• 🔙 from #590 - In case of just one project inside a group, show "No more project for this group" by @github-actions in #592

✨ Improvements

• 🔙 from #579 - Click to go back button to show MacroGroup list from Group page within ChangeMapMenu.vue by @github-actions in #585

Full Changelog: v3.9.3...v3.9.4