Fix Gaia.query_object with columns and radius

The method `astroquery.gaia.core.GaiaClass.__query_object()` no longer
ignores its `column` argument when `radius` is specified.

Author: eerovaher

astroquery/gaia/core.py

@@ -386,8 +386,8 @@ def __query_object(self, coordinate, radius=None, width=None, height=None,
         coord = self.__getCoordInput(coordinate, "coordinate")
         job = None
         if radius is not None:
-            job = self.__cone_search(coord, radius,
-                                     async_job=async_job, verbose=verbose)
+            job = self.__cone_search(coord, radius, async_job=async_job,
+                                     verbose=verbose, columns=columns)
         else:
             raHours, dec = commons.coord_to_radec(coord)
             ra = raHours * 15.0  # Converts to degrees