Use correct key for paint properties

Author: evil159

lib/src/style/layer/background_layer.dart

@@ -83,7 +83,7 @@ class BackgroundLayer extends Layer {
       backgroundOpacity: map["paint"]["background-opacity"] is num?
           ? (map["paint"]["background-opacity"] as num?)?.toDouble()
           : null,
-      backgroundPattern: map["layout"]["background-pattern"] is String?
+      backgroundPattern: map["paint"]["background-pattern"] is String?
           ? map["layout"]["background-pattern"] as String?
           : null,
     );

lib/src/style/layer/fill_extrusion_layer.dart

@@ -143,7 +143,7 @@ class FillExtrusionLayer extends Layer {
       fillExtrusionOpacity: map["paint"]["fill-extrusion-opacity"] is num?
           ? (map["paint"]["fill-extrusion-opacity"] as num?)?.toDouble()
           : null,
-      fillExtrusionPattern: map["layout"]["fill-extrusion-pattern"] is String?
+      fillExtrusionPattern: map["paint"]["fill-extrusion-pattern"] is String?
           ? map["layout"]["fill-extrusion-pattern"] as String?
           : null,
       fillExtrusionTranslate:
@@ -160,7 +160,7 @@ class FillExtrusionLayer extends Layer {
                   .toLowerCase()
                   .contains(map["paint"]["fill-extrusion-translate-anchor"])),
       fillExtrusionVerticalGradient:
-          map["layout"]["fill-extrusion-vertical-gradient"] is bool?
+          map["paint"]["fill-extrusion-vertical-gradient"] is bool?
               ? map["layout"]["fill-extrusion-vertical-gradient"] as bool?
               : null,
     );

lib/src/style/layer/fill_layer.dart

@@ -132,7 +132,7 @@ class FillLayer extends Layer {
       fillSortKey: map["layout"]["fill-sort-key"] is num?
           ? (map["layout"]["fill-sort-key"] as num?)?.toDouble()
           : null,
-      fillAntialias: map["layout"]["fill-antialias"] is bool?
+      fillAntialias: map["paint"]["fill-antialias"] is bool?
           ? map["layout"]["fill-antialias"] as bool?
           : null,
       fillColor: (map["paint"]["fill-color"] as List?)?.toRGBAInt(),
@@ -141,7 +141,7 @@ class FillLayer extends Layer {
           : null,
       fillOutlineColor:
           (map["paint"]["fill-outline-color"] as List?)?.toRGBAInt(),
-      fillPattern: map["layout"]["fill-pattern"] is String?
+      fillPattern: map["paint"]["fill-pattern"] is String?
           ? map["layout"]["fill-pattern"] as String?
           : null,
       fillTranslate: (map["paint"]["fill-translate"] as List?)

lib/src/style/layer/line_layer.dart

@@ -234,7 +234,7 @@ class LineLayer extends Layer {
       lineOpacity: map["paint"]["line-opacity"] is num?
           ? (map["paint"]["line-opacity"] as num?)?.toDouble()
           : null,
-      linePattern: map["layout"]["line-pattern"] is String?
+      linePattern: map["paint"]["line-pattern"] is String?
           ? map["layout"]["line-pattern"] as String?
           : null,
       lineTranslate: (map["paint"]["line-translate"] as List?)