Feature request: seth debug - calldata pager

[thingtheory]

When debugging TX with extremely large calldata, such as the creation of a contract via a SingletonFactory (example on ethlive 0x91f839083a51356711099f740b5fc4bb6cb547deaa411694a92fd49aec2fcb54) the calldata can extend beyond the screen.

AFAICT there is no pager/scroll for calldata as there is for memory.

It would be extremely helpful if there was a way to page/scroll the calldata as not only does it extended beyond the screen, it also hides additional info (such as memory) from view.