Actions: Convert d3d.get_all_time output to a list

Fix for this error on windows, python 3.10

```
  Error occurred in River_TestIO_Delft/testGetAllDataPoints and it did not run to completion.
      ---------
      Error ID:
      ---------
      'MATLAB:Python:ConverterError'
      --------------
      Error Details:
      --------------
      Error using py.numpy.ndarray/double
      Conversion of Python 'ndarray' type to MATLAB 'double' is only supported for real numbers and logicals.

      Error in delft_3d_get_all_time (line 26)
          result = double(python_result);

      Error in River_TestIO_Delft/testGetAllDataPoints (line 107)
                  run_timestamps = delft_3d_get_all_time(data);
```

mhkit/river/IO/delft_3d/delft_3d_get_all_time.m

@@ -16,15 +16,17 @@
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-    if ~isa(delft_3d_py_object, 'py.netCDF4._netCDF4.Dataset')
-        error('MATLAB:delft_3d_get_all_time:InvalidInput', ...
-              'Invalid input Delft3D data type: `delft_3d_get_all_time` expects a `py.netCDF4._netCDF4.Dataset` object. Please use the `delft_3d_open_netcdf` function to convert Delft3D netCDF files for use with this function.');
-    end
+if ~isa(delft_3d_py_object, 'py.netCDF4._netCDF4.Dataset')
+    error('MATLAB:delft_3d_get_all_time:InvalidInput', ...
+        'Invalid input Delft3D data type: `delft_3d_get_all_time` expects a `py.netCDF4._netCDF4.Dataset` object. Please use the `delft_3d_open_netcdf` function to convert Delft3D netCDF files for use with this function.');
+end
+
+python_result = py.mhkit.river.io.d3d.get_all_time(delft_3d_py_object);
 
-    python_result = py.mhkit.river.io.d3d.get_all_time(delft_3d_py_object);
+python_result = python_result.to_list();
 
-    disp(python_result);
-    disp(class(python_result));
+disp(python_result);
+disp(class(python_result));
 
-    result = double(python_result);
+result = double(python_result);
 end