Unable to Format the "Line" in the Clustered Bar Chart Combo

Unable to Format the “Line” in the Clustered Bar Chart Combo. The “Style Series” option is unavailable and I am not able to change the Line to “Linear”, “Smooth” or “Stepped”. There is also no way to enable marker. This works fine in the regular “Line Chart”. However, the options are totally missing in the Clustered Bar Chart Combo

These options are currently not available for the clustered bar chart combo.

I can mark it as a feature request.

Thank you for marking it as feature request. Appreciate it!