(Bug 44799) Switching from use of getText() to getFullText()

This change makes the page Special:ItemByTitle usable for other
namespaces than main, for example Portal and Category. The namespace
will not be normalized but will use the form localized form.

Change-Id: I4a9a95de75077ee6d46274e8d41fb8d36a8d29dc
Merge "(Bug 44799) Switching from use of getText() to getFullText()"