Goodness of fit fails with Octave

          Octave failure with goodness of fit module:

https://github.com/cpp-lln-lab/bidspm/actions/runs/6211174458/job/16860114374#step:18:851

warning: Unable to open display.
warning: called from
    spm at line 656 column 9
    spm at line 577 column 4
    spm at line 610 column 5
    MA_inspect_GoF at line 572 column 8
    MA_inspect_GoF at line 687 column 5
    spm_XYZreg at line 513 column 5
    spm_XYZreg at line 562 column 1
    MA_inspect_GoF at line 355 column 5
    MA_inspect_GoF at line 196 column 10
    run_module at line 66 column 1
    cfg_run_cm at line 26 column 5
    local_runcj at line 1717 column 20
    cfg_util at line 972 column 27
    fill_run_job at line 469 column 5
    spm_jobman at line 247 column 13
    saveAndRunWorkflow at line 41 column 14
    bidsFFX at line 128 column 12
    cliStats>runEstimate at line 110 column 7
    cliStats at line 82 column 9
    bidspm>executeAction at line 86 column 7
    bidspm at line 26 column 16
    moae_fmriprep at line 108 column 1
    run at line 93 column 5
    system_tests_fmriprep at line 12 column 1
    run at line 93 column 5

warning: Invalid registry handle
warning: called from
    spm_XYZreg at line 578 column 21
    register at line 757 column 5
    spm_orthviews at line 422 column 9
    spm_sections at line 38 column 20
    MA_inspect_GoF at line 201 column 5
    run_module at line 66 column 1
    cfg_run_cm at line 26 column 5
    local_runcj at line 1717 column 20
    cfg_util at line 972 column 27
    fill_run_job at line 469 column 5
    spm_jobman at line 247 column 13
    saveAndRunWorkflow at line 41 column 14
    bidsFFX at line 128 column 12
    cliStats>runEstimate at line 110 column 7
    cliStats at line 82 column 9
    bidspm>executeAction at line 86 column 7
    bidspm at line 26 column 16
    moae_fmriprep at line 108 column 1
    run at line 93 column 5
    system_tests_fmriprep at line 12 column 1
    run at line 93 column 5

17-Sep-2023 03:10:12 - Failed  'MA: inspect goodness of fit'
Invalid object handle
In file "/home/runner/work/bidspm/bidspm/spm12/spm_XYZreg.m" (v7388), function "spm_XYZreg" at line 453.
In file "/home/runner/work/bidspm/bidspm/spm12/spm_orthviews.m" (v7376), function "register" at line 761.
In file "/home/runner/work/bidspm/bidspm/spm12/spm_orthviews.m" (v7376), function "spm_orthviews" at line 422.
In file "/home/runner/work/bidspm/bidspm/spm12/spm_sections.m" (v4199), function "spm_sections" at line 38.
In file "/home/runner/work/bidspm/bidspm/spm12/toolbox/MACS/MA_inspect_GoF.m" (???), function "MA_inspect_GoF" at line 201.
In file "/home/runner/work/bidspm/bidspm/spm12/toolbox/MACS/batch_MA_inspect_GoF.m" (???), function "run_module" at line 66.

Originally posted by @Remi-Gau in https://github.com/cpp-lln-lab/bidspm/issues/1135#issuecomment-1722455363

cpp-lln-lab / bidspm

Goodness of fit fails with Octave #1141