fix data migration on infinite projection

com.unity.render-pipelines.high-definition/HDRP/Lighting/Reflection/HDAdditionalReflectionData.cs

         void MigrateToMergeEditors()
         {
             infiniteProjection = !reflectionProbe.boxProjection;
+            reflectionProbe.boxProjection = false;
             m_Version = (int)Version.MergeEditors;
             needMigrateToMergeEditors = false;
             OnAfterDeserialize();   //continue migrating if needed