Update id_estimation.py

I changed the default of return_sizes and return_ranks in return_id_scaling_2NN and return_id_scaling_gride from "True" to "False." Thus, the distances will be returned by default, consistent with the outputs shown in the tutorial notebook and for backward compatibility.

Author: diegodoimo

dadapy/id_estimation.py

@@ -256,7 +256,7 @@ def return_id_scaling_2NN(
         algorithm="base",
         mu_fraction=0.9,
         set_attr=False,
-        return_sizes=True,
+        return_sizes=False,
     ):
         """Compute the id with the 2NN algorithm at different scales.
 
@@ -339,7 +339,7 @@ def return_id_scaling_gride(
         d1=1000,
         eps=1e-7,
         set_attr=False,
-        return_ranks=True,
+        return_ranks=False,
     ):
         """Compute the id at different scales using the Gride algorithm.