ParaView Python Script Editor

Adding a toolbar section for Macros akin to Scripts seems like a natural expansion

Not enterely sure about this, I envision a Tools->ManageScripts menu though.
See also: https://gitlab.kitware.com/paraview/paraview/-/issues/20606

Adding a “Run” button to the widget to quickly execute the currently active tab/script would add a lot of value

https://gitlab.kitware.com/paraview/paraview/-/issues/20624

Very simple to implement