UI improvements

overworld/camera/OverworldCamera.gd

@@ -43,7 +43,11 @@ var _mouseDelta:Vector2 = Vector2.ZERO
 var _rightMouseHeld:bool = false
 
 func _canOrbit() -> bool:
-  return not UI.activeConversation
+  if UI.activeConversation:
+    return false
+  if UI.FOCUS_STACK.top() != null:
+    return false
+  return true
 
 func _input(event:InputEvent) -> void:
   if not _canOrbit():