Error if layer or thematic is not found, or if an invalid param is provided
// Hide the first category of thematic id=3 of layer id=7
JMap.Layer.Thematic.setCategoryVisibility({
layerId: 7,
thematicId: 3,
categoryIndex: 0,
visibility: false
})
JMap.Layer.Thematic.setCategoryVisibility
Shows or hides a specific layer thematic category on the map.