✨ Add debug informations in env internal state

This can be used by tools like t-SNE

src/environment/states/datasource/simulated/SweetHomeDataInferredSimulated.lua

@@ -72,7 +72,11 @@ function class:get_expected_action()
 end
 
 function class:set_state(command, location, activity)
+  -- TODO: remove the location field, rely on _location instead
   self.state = {
+    _command = command, -- For debug, not use in placeholders
+    _location = location, -- For debug, not use in placeholders
+    _activity = activity, -- For debug, not use in placeholders
     user1inferredcommand = command,
     location = location, -- Just for information, not use in placeholders
     user1inferredactivity = activity