I imagine this would be difficult to support.
Skyline disables the "Optimizing" dropdown if the instrument is a full scan instrument (which it always is when doing "Export > Isolation List").
When Skyline exports an optimizing transition list for a triple quad, Skyline outputs a set of transitions with different values of the optimization parameter and where the Q3 values differ by 0.01.
When you import results from a SRM file and indicate that you are optimizing something, Skyline notices when there is a set of chromatograms with identical Q1 values and where the Q3 values differ by 0.01, and Skyline assumes that that set of chromatograms had a series of different values for the optimization parameter.
I believe the reason that the method gets exported like that is that Skyline does not know how to look at the chromatograms in a raw file and know what their CE or other optimization parameter value was.
I could imagine that we could make this same sort of thing work for isolation lists and full scan mass spectrometers, but I think it would be a fair amount of work.
This is an interesting question and someone else might have a different idea about how much work this would be.