Feature: Custom icon for ProTable column setting button
Feature: Custom icon for ProTable column setting button: a task in LegoFlow-SWE (Harbor dataset). Currently, ProTable allows customizing the tooltip text for the column setting button via the columnSetting configuration, but it does not support customizing the actual icon that triggers the column…
The task
Currently, ProTable allows customizing the tooltip text for the column setting button via the `columnSetting` configuration, but it does not support customizing the actual icon that triggers the column settings dropdown. The button always renders a default settings/gear icon, with no option to replace it.
Part of Lego-X/LegoFlow-SWE.