Search Application is using getSpaces() for Database Search

## ---------------
## Space filtering
## ---------------
#set($spaces = $xwiki.spaces)
...
    #foreach($space in $spaces)
      #if (!$blacklistedSpaces.contains($space) && $xwiki.hasAccessLevel('view', "${space}.DocumentReservedForInternalXWikiUsage${mathtool.random(0, 999)}"))
        #spaceoption($space $selectedSpace)
      #end
    #end
...