Not possible, it’s under the hood. You can however export warning messages/elements to a program like excel to review with filtering. Look into bang package which i think in 2022 onward is also available out of the box in the warning related nodes.
At its core a warning is revit warning you it has to think a bit harder or there’s a likely error, so even if you ignore a warning it will still impact the model generally at a performance level.
This is their API class also, inconveniently not called warning: