fix and reenable cosmetic_changes' standardizePageFooter()

using category.aslink() instead of .title(asLink=True)
in textlib.categoryFormat(), thus preserving the sortKey.

this implicitly reverts I88b01681f59aab91d5f70e788eae3349b87455a8

bug: 66921
Change-Id: Ib0701600a300b2435ac8f2c3b8a55c89faf2c2fe
Merge "fix and reenable cosmetic_changes' standardizePageFooter()"