Soccer+battle addons are not shown in 'Add-Ons' tab but shown in 'All'

[kimden]

Description

Maps supporting soccer and FFA downloaded from addons store that have "Add-Ons" only as category, do not appear in Add-Ons tab while in singleplayer soccer mode. They are displayed properly in All tab, and while selecting the map in any of singleplayer battle modes, and while selecting the map in online battle or soccer.

Steps to reproduce

Open local singleplayer map selection menu, search for example for Bizarre Darkness or Emerald Arena or Ottoscuro in Add-Ons tab and in All tab.

Configuration

STK release version: latest git 37e024f

STK Source (PPA, distribution package, official binary, etc.): github

Log doesn't say anything related.