The OEM Standard spring is 310mm long and the OEM steel spacer is 100mm.
If your spring was shorter than 310mm then they should have supplied a spacer tube for you to cut to length.
As there is no pre load in a standard fork on assembly if you have shorter springs then the bike will be lower at the front as if you had pulled the fork leg through the yokes. The maximum pull through I recommend for the road is 5mm to 7.5mm max. Racers or Trackday guys often go to 10mm on a TUNED fork. If your springs were less than 300mm in my opinion you are beginning to overload the front tyre and run an increased risk of the front end "washing out". I do recommend that you investigate this at the first opportunity if only to satisfy yourself.