On the micro-skills that could make a big difference. Although somewhat lost in the commotion of muscle watch, Isaiah Jackson has also subtly dropped breadcrumbs here and there as to what might look different about his game, in addition to his body, when preseason play begins on Wednesday. In all likelihood, those changes won’t pass the eye test as immediately as whether the strength he added to his legs and mid-body can sturdy him against opposing wrecking balls around the basket, but contextualizing his quotes with film from last season should provide a baseline for how to monitor if he…