Add ABS/PLA temperatures for bed/extr in EEPROM

Add ABS/PLA temperatures for bed/extr in EEPROM for easy modification as
these temperasure are also used for load/unload and clean/level
functions and some filament may need different values than current ones
Add cooldown back in advanced menu in Maintenance to help to switch off
temp if preheat functions are used
fix bug that disable steppers did not show in maintenance menu
Increase Min/Max temperature to have better range

Increase Min/Max temperature to have better range in choice of printing