cubicweb #2714104 missing icons in about page [deprecated]

The about page of CubicWeb 3.15.9 is not displaying the microformats, rss and dublincore icons.

The icons be found here:

/usr/share/cubicweb/cubes/shared/data/microformats-button.png
/usr/share/cubicweb/cubes/shared/data/rss-button.png
/usr/share/cubicweb/cubes/shared/data/dublincore-button.png

The HTML links point to:

/data/microformats-button.png
/data/rss-button.png
/data/dublincore-button.png
priorityminor
typebug
done in3.18.0
load0.000
load left0.000
closed by<not specified>
patch[wdoc] quick fix links to /data/ directory. Closes #2714104 [rejected]