update,io:sage: add ion mobility data to PSM obj for sage reader

Author: singjc

psm_utils/io/sage.py

@@ -70,6 +70,7 @@ def _get_peptide_spectrum_match(self, psm_dict) -> PSM:
             score=float(psm_dict[self.score_column]),
             precursor_mz=self._parse_precursor_mz(psm_dict["expmass"], psm_dict["charge"]),
             retention_time=float(psm_dict["rt"]),
+            ion_mobility=float(psm_dict["ion_mobility"]),
             protein_list=psm_dict["proteins"].split(";"),
             source="sage",
             rank=int(float(psm_dict["rank"])),
@@ -143,6 +144,7 @@ def __iter__(self) -> Iterable[PSM]:
     "delta_rt_model",
     "aligned_rt",
     "predicted_rt",
+    "predicted_mobility",
     "matched_peaks",
     "longest_b",
     "longest_y",