Don't log error message when default display is requested.

The `GlobalActionDialog` requests the context for the default display
many times, so it's not needed to log an error when that happens. Now,
only when a non-default display is requested and flag is off, then log
the error.

bug: None
Test: None - small bugfix
Flag: NONE - small log fix
Change-Id: I92f554ff21dec59341fd667ae360f95f9754278c