Fix wrong SolarMass abbreviation (#1125)

* Fix wrong solarMass abbreviation

* Added old abbreviation of solar mass as fallback for Deserialization

* Generated code with correct solar mass abbr

Author: Brunni

Common/UnitDefinitions/Mass.json

@@ -248,7 +248,7 @@
       "Localization": [
         {
           "Culture": "en-US",
-          "Abbreviations": [ "M⊙" ]
+          "Abbreviations": [ "M☉", "M⊙" ]
         }
       ]
     },