Conventional wisdom says when all is said and done, no one wishes they spent more time at work.Jeffrey T. Kubes may have been the exception to the rule.Even after he was diagnosed with non-Hodgkin lymphoma 11 years ago and his health declined over the years, he downplayed the illness and still wanted to come to work.“His wife kept telling me, ‘You’re going to have to find something for him to do,’ ” said Bernard C. Castro, executive director at Schuyler, Roche & Crisham, P.C., who knew …