set_display(method="none") still displays the images

[seisman]

Description of the problem

pygmt.set_display(method="none") should disable image display, but currently, it still displays the image in Jupyter Notebooks.

Minimal Complete Verifiable Example

import pygmt

pygmt.set_display(method="none")

fig = pygmt.Figure()
fig.basemap(region=[0, 10, 0, 10], frame=True, projection="X10c")
fig.show()

Full error message

The image is displayed.

System information

PyGMT information:
  version: v0.8.1.dev108+ge970485e6
System information:
  python: 3.10.9 | packaged by conda-forge | (main, Feb  2 2023, 20:20:04) [GCC 11.3.0]
  executable: /home/seisman/opt/mambaforge/bin/python
  machine: Linux-6.1.18-200.fc37.x86_64-x86_64-with-glibc2.36
Dependency information:
  numpy: 1.23.5
  pandas: 1.5.3
  xarray: 2023.2.0
  netCDF4: 1.6.3
  packaging: 23.0
  contextily: None
  geopandas: 0.12.2
  ghostscript: 9.54.0
GMT library information:
  binary version: 6.4.0
  cores: 80
  grid layout: rows
  image layout: 
  library path: /home/seisman/opt/mambaforge/lib/libgmt.so
  padding: 2
  plugin dir: /home/seisman/opt/mambaforge/lib/gmt/plugins
  share dir: /home/seisman/opt/mambaforge/share/gmt
  version: 6.4.0