The difference is that the Data Pool button will filter the results based on the business object type that is currently selected in the editor and icon will have an empty filter.
区别是数据池按钮将基于当前在编辑器中选择的业务对象类型过滤结果,而数据池图标将不进行任何过滤。
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And when the action is unselected, the filter is removed from Display, restoring the default drag-and-drop behavior of Editor and View tabs (meant for rearranging and tiling).