Force AjaxLink to be enabled

Hi,

Having recently migrated an old app all the way from 1.3 to 6, one of the
issues I encountered was that links and other component take their parents
into consideration when determining their enabled state (introduced in
1.4?). This is a real pain for me in a few specific cases. I can't override
isEnabledInHierarchy as it's final. Is there a easy quick and dirty way
around for a given link ?

Many Thanks,

CN