FullyBayesian SAAS model migration (#1879)

Summary:
Pull Request resolved: #1879

FullyBayesian high-dim model changed from legacy to MBM for single and multi-objective without input transforms.

Reviewed By: saitcakmak

Differential Revision: D49479004

fbshipit-source-id: a9df6312be597c7e77f879dc2843cbbcf03bce85

ax/models/torch/botorch_modular/utils.py

@@ -303,7 +303,7 @@ def fit_botorch_model(
             fit_fully_bayesian_model_nuts(
                 m,
                 disable_progbar=True,
-                jit_compile=mll_options.get("jit_compile", False),
+                **mll_options,
             )
         elif isinstance(m, (GPyTorchModel, PairwiseGP)):
             mll_options = mll_options or {}