feat(plotter): return the plotter instance (#2413)

Author: PProfizi

src/ansys/dpf/core/fields_container.py

@@ -549,7 +549,7 @@ def plot(self, label_space: dict = None, **kwargs):
         fields = self.get_fields(label_space=label_space)
         for f in fields:
             plt.add_field(field=f, **kwargs)
-        plt.show_figure(**kwargs)
+        return plt.show_figure(**kwargs)
 
     def animate(
         self,

src/ansys/dpf/core/plotter.py

@@ -435,7 +435,7 @@ def show_figure(self, **kwargs):
 
         # Show depending on return_cpos option
         kwargs_in = _sort_supported_kwargs(bound_method=self._plotter.show, **kwargs)
-        return self._plotter.show(**kwargs_in)
+        return self._plotter.show(**kwargs_in), self._plotter
 
     @staticmethod
     def _set_scalar_bar_title(kwargs):
@@ -1111,7 +1111,7 @@ def plot_contour(
         kwargs_in = _sort_supported_kwargs(
             bound_method=self._internal_plotter._plotter.show, **kwargs
         )
-        return self._internal_plotter._plotter.show(**kwargs_in)
+        return self._internal_plotter._plotter.show(**kwargs_in), self._internal_plotter._plotter
 
     def _plot_contour_using_vtk_file(self, fields_container, notebook=None):
         """Plot the contour result on its mesh support.