feature(treemap): add custom cursor properties for treemap (#20113)

Author: huanxi

src/chart/treemap/TreemapSeries.ts

@@ -144,7 +144,9 @@ export interface TreemapSeriesNodeItemOption extends TreemapSeriesVisualOption,
 
     color?: ColorString[] | 'none'
 
-    decal?: DecalObject[] | 'none'
+    decal?: DecalObject[] | 'none',
+
+    cursor?: string
 }
 
 export interface TreemapSeriesOption

src/chart/treemap/TreemapView.ts

@@ -877,6 +877,9 @@ function renderNode(
         // Only for enabling highlight/downplay.
         data.setItemGraphicEl(thisNode.dataIndex, group);
 
+        const cursorStyle = nodeModel.getShallow('cursor');
+        cursorStyle && content.attr('cursor', cursorStyle);
+
         enableHoverFocus(group, focusOrIndices, blurScope);
     }