Change (back) what StaticTileLayer.option._leafletLayer points to

Author: prushfor

src/mapml/layers/MapMLLayer.js

@@ -1529,7 +1529,6 @@ export var MapMLLayer = L.Layer.extend({
           layer._mapmlTileContainer.appendChild(tiles);
           layer._staticTileLayer = M.staticTileLayer({
             pane: layer._container,
-            _leafletLayer: layer,
             projection: layer._properties.projection,
             className: 'mapml-static-tile-layer',
             tileContainer: layer._mapmlTileContainer,

src/mapml/layers/StaticTileLayer.js

@@ -5,6 +5,7 @@ export var StaticTileLayer = L.GridLayer.extend({
       options.maxZoomBound
     );
     L.extend(options, this.zoomBounds);
+    L.extend(options, { _leafletLayer: this });
     L.setOptions(this, options);
     this._groups = this._groupTiles(
       this.options.tileContainer.getElementsByTagName('map-tile')