fix(legend): use eachComponent

Author: plainheart

src/component/legend/legendAction.ts

@@ -32,8 +32,7 @@ function legendSelectActionHandler(methodName: LegendSelectMethodNames, payload:
     const selectedMap: Record<string, boolean> = {};
     const isToggleSelect = methodName === 'toggleSelected';
     let isSelected: boolean;
-    const legendModels = ecModel.findComponents({ mainType: 'legend', query: payload }) as LegendModel[];
-    each(legendModels, function (legendModel: LegendModel) {
+    ecModel.eachComponent({ mainType: 'legend', query: payload }, function (legendModel: LegendModel) {
         if (isToggleSelect && isSelected != null) {
             // Force other legend has same selected status
             // Or the first is toggled to true and other are toggled to false
@@ -65,7 +64,6 @@ function legendSelectActionHandler(methodName: LegendSelectMethodNames, payload:
             }
         });
     });
-
     // Return the event explicitly
     return (methodName === 'allSelect' || methodName === 'inverseSelect')
         ? {