[surrogate][exp_designs] fix bugs for sampling with gaussian_kde.

src/bayesvalidrox/surrogate_models/exp_designs.py

@@ -252,7 +252,7 @@ class ExpDesigns:
                                                        domain=self.JDist,
                                                        rule=sampling_method).T
                 except:
-                    samples = self.JDist.sample(n_samples)
+                    samples = self.JDist.resample(n_samples).T
 
         elif not self.input_data_given:
             # Case I = User passed known distributions