It’s one of many decisions the Cavs will have to make as they move forward. The Cleveland Cavaliers may have been one of the feel-good stories of the NBA regular season but, after a disappointing finish to the season, they must move on to figuring out how to take the next step. Keeping their lottery pick helps the situation, maybe. Seeing massive growth from Darius Garland was essential. Evan Mobley and Jarret Allen not only work well together but are a dynamic defensive duo. That is all well and good, but there is a very important, potentially difficult decision looming.…