Pretty ridiculous they're being reluctant to support her over her loyalty towards Trump, especially this late when the presidential election has long past. It's not if she supports the President, it will help her win the race or bring a more positive image to the GOP. In fact, why should any candidate of any party feel obligated to support any other nominee (presidential or not) in order to receive the rest of the party's support?
I'm pretty sure that Guadagno had a legitimate reason(s) not to publicly endorse Trump and her party should respect that.
However, I'm not at all surprised.