The XAR export of any page lists all spaces of the wiki

Steps to reproduce:

Export any page as XAR.

Expected result:

When checking query logs for the export request, e.g., in Glowroot, there is no query that returns all spaces of the wiki.

Actual result:

There is a query select distinct xwikidocum0_.XWD_WEB as col_0_0_ from xwikidoc xwikidocum0_ order by xwikidocum0_.XWD_WEB asc that returns all spaces of the wiki.