Restore MapStyle equality check

Sources/MapboxMaps/Style/MapStyle.swift

@@ -59,7 +59,7 @@ import MapboxCoreMaps
 /// The style reloads only when the actual ``StyleURI`` or JSON (when loaded with ``MapStyle/init(json:configuration:)`` is changed. To observe the result of the style load you can subscribe to ``MapboxMap/onStyleLoaded`` or ``Snapshotter/onStyleLoaded`` events, or use use ``StyleManager/load(mapStyle:transition:completion:)`` method.
 @_documentation(visibility: public)
 @_spi(Experimental)
-public struct MapStyle {
+public struct MapStyle: Equatable {
     enum Data: Equatable {
         case uri(StyleURI)
         case json(String)