The Gulf states fear the Iranian mullahs and recognize Trump’s policies of defunding and defanging Iran. Israel also sees Iran and its pawns as an evil extinction level threat. The ancient adage asserts itself here. The enemy of my enemy is my friend.
Recognition of right to exist is a major step. I think its more than what you describe. Those conditions you describe have existed a lot in recent decades. Its something else I think. Something about Trumps approach.