OpenGl fixes:

Merged Julien Wadel requested to merge fix/opengl_54 into release/5.4
  • Load only local libraries to avoid conflicts or unwanted external libraries.
  • Remove empty logs from link/program.
  • Leak : Destroy context.
  • Fix crash when no display.
  • Fix having no preview window with Auto display (preview_window_id is 0).

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