That would require some 3d model rework. I am all for it but I am afraid with the devs being busy with other things that's not gonna happen. Mind you that only the early early spit has had this 'feature' in which case we are also talking different aerial, different canopy, Woodbridge propeller, no Squeeker etc... As far I recall, typical BoB Spitfire Mk.I already had the modern features.
I see A2A signature, I believe you fly their Spitty in FSX - in that case the Mk.I of theirs is representing the very first batch except for propeller control.
Spitfire cockpit needs most attention anyway - as it is now it's a mixture of later marks and early marks. Animated trims needs doing, too. Prop control for de Havilland is not right (should be the bicycle pump), fuel cocks should be 2 and there also should be 2 fuel tank indicators (except for Mk.II). Mk.II starter should be Coffman cartridge with loud bang instead of electric starter. Anyway, as it is it's close enough, just nitpicking
What you're asking for is perhaps a very early Spit variant as used in BoF / Dunkirque era.