pass plot into alt lambda to match S7 method
#6726
Open
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This PR fixes #6725
The bug was that if a lambda was passed into the
altparameter oflabs, the plot could not actually be rendered. However, if the plot was simply crafted but not built, the alt text function would work as expected, allowing the user to referenceplotattributes.Specifically, the bug was located in
setup_plot_labels. Anlapplyin the function passed in labels, whereas theget_alt_textfunction passed in the plot.This is small PR that copies the
get_alt_textbehavior intosetup_plot_labels, and isolatesalttext behavior from the non aesthetic and title parameters.