Make debug commands that create units use the currently controlled side

Instead of always creating units for side 1.

changelog

@@ -313,6 +313,8 @@ Version 1.13.4+dev:
      by other units being skipped after a unit could not get to its goal.
    * Replace wmlxgettext tool with new python3 implementation by Nobun:
      https://github.com/AncientLich/wmlxgettext-unoff/
+   * Debug commands that create units now do so for the currently controlled
+     side instead of always side 1.
 
 Version 1.13.4:
  * Language and i18n:

src/synced_commands.cpp

@@ -466,8 +466,12 @@ SYNCED_COMMAND_HANDLER_FUNCTION(debug_create_unit, child,  use_undo, /*show*/, e
 		error_handler("Invalid unit type", true);
 		return false;
 	}
+
+	const int side_num = resources::controller
+			? resources::controller->current_side() : 1;
+
 	// Create the unit.
-	unit created(*u_type, 1, true, gender);
+	unit created(*u_type, side_num, true, gender);
 	created.new_turn();
 
 	// Add the unit to the board.