docview: NormalFont and FixedFont in TSettings are now font descriptions only.
docview: NormalFont and FixedFont in TSettings are now font descriptions only.

We never actually used the TfpgFont instances, so lets rather use
font descriptions instead. Less resources get used.

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI