fix: Add entry for StandaloneOSX for BuiltTarget to Platform map.

Author: paulhazen

com.playeveryware.eos/Runtime/Core/PlatformManager.cs

@@ -261,6 +261,7 @@ public static bool TryGetPlatform(RuntimePlatform runtimePlatform, out Platform
                 { BuildTarget.PS4,                 Platform.PS4         },
                 { BuildTarget.PS5,                 Platform.PS5         },
                 { BuildTarget.Switch,              Platform.Switch      },
+                { BuildTarget.StandaloneOSX,       Platform.macOS       },
                 { BuildTarget.StandaloneWindows,   Platform.Windows     },
                 { BuildTarget.StandaloneWindows64, Platform.Windows     },
             };