Disney executives finally agreed on a name for the company’s unborn streaming service, canning Disney Play in favor of Disney+ late last week. Shortly afterwards, details on T-Mobile’s uninspiring TV plans to launch by the end of this year were leaked in an FCC filing, while its mobile-first successor will launch around the same time as Disney+. Is there any wiggle room for a collaboration here or are the two destined to be at loggerheads? CEO Bob Iger also said Disney could buy the extra 40% in Hulu it does not already own (30% from Comcast and 10% from WarnerMedia), while it will inherit 21st Century Fox’s 30%, giving Disney a current 60% controlling stake in the streaming firm. First…