Update the Simulation_SPICE diode symbol
![diodes](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)
On the left is what we get when placing the symbol Simulation_SPICE:D, on the right I have edited it, to show what in my view would be reasonable to get after placing the symbol.
KiCad 8.99, MS Windows 10, today's nightly.