Adjust food combat delay handling

[Naton1]

This adjusts combat food delays to be like it is in RS. I'm still doing some testing, but this seems to be right.

Also changes karambwan timer to 3 (karambwans have an eat delay of 3, not 2).

References: https://oldschool.runescape.wiki/w/Food https://www.reddit.com/r/2007scape/comments/wtylc4/how_tobasics_of_combo_eating/

[tobywisener]

These are awesome contributions Naton, thank you!