I realize this is quite a bit after the fact but I ran into this thread searching in vain for the same answer & felt compelled to share for those in a similar scenario.
Use: "opt+space" after entering the dash
this will buypass the autotext feature.
Yet another one of those embarasingly easy & ever so obvious-after-the-fact solutions
Overall I am a fan of Apple simplicity however it can become frustrating when there's no off switch for the auto pilot....