fix: 修复 layer model 更新时候存在闪烁的问题 (#1358)

* fix: 修复 featureScale 错误

* style: lint style

* fix: remove featureScalePlugin async

* fix: 优化 layer model 的更新链路，避免闪烁

Co-authored-by: shihui <yiqianyao.yqy@alibaba-inc.com>

packages/layers/src/core/BaseLayer.ts

@@ -1366,6 +1366,9 @@ export default class BaseLayer<ChildLayerStyleOptions = {}>
   };
 
   protected dispatchModelLoad(models: IModel[]) {
+    this.models.forEach((model) => model.destroy());
+    this.models = [];
+
     this.models = models;
     this.emit('modelLoaded', null);
     this.modelLoaded = true;

packages/layers/src/plugins/LayerModelPlugin.ts

@@ -17,7 +17,8 @@ export default class LayerModelPlugin implements ILayerPlugin {
   public prepareLayerModel(layer: ILayer) {
     // 更新Model 配置项
     layer.prepareBuildModel();
-    layer.clearModels();
+    // clear layerModel resource
+    layer.layerModel?.clearModels();
     // 初始化 Model
     layer.buildModels();
     layer.layerModelNeedUpdate = false;