There is no historical record of such controversy. It's an easy question to answer with basic astronomy and geometry. The controversy is a modern manufacture and the cartoon trope of old timey misconceptions about the shape of Earth is not based on evidence. Those in a position to ask the question have always been in a position to reach the obvious answer.
I would say, if you go back 2,000 years, most people probably never considered the question or cared. The ones who did were a small number of intellectuals. At some point, there probably was a debate among those. The peasants out in the field? Didn't know and probably didn't care and didn't matter.
