Include an ultra-conservative profile

[EternityForest]

Is your feature request related to a problem? Please describe.

The current presets are very good, but don't seem to be as close to 100% reliable as can be, a bit of dust can always get in or a bed can go out of level, and mess things up where a very slow profile could have done fine.

On some projects, I don't care about speed at all, I just want predictability, low filament waste, and low wear and tear.

Also, beginners are always asking how to get some random no name fussy printer to work, and having a setting specifically for that would be a great starting point.

Describe the solution you'd like

Include a set of presets that work with any reasonable printer, that focus entirely on reliability at all costs, even if it makes it take ten hours.

Describe how it would work

I use the automatic speed with 4-6mm/s volumetric limits when I'm working with crappy filament. I'll set the external perimeters and any other high quality features to 15-20mm/s.

All my accelerations are in the 300-700 range(I also lower the jerk in the machine limits. If there could be a way to override jerk in the print quality profile, then this could be done there too, for an all in one "Make it work no matter what" setting that could be independent of any specific printer.

I especially like to keep retraction speeds and accelerations low, since the "Too many retractions grinds the filament" issue is the biggest problem I see if I try to go fast when everything isn't tuned just right or the filament isn't great.

I use external perimeters first, and I use cubic rather than gyroid because gyroid makes a tiny bit of extra shaking, which doesn't seem worth it when strength isn't critical.

I also enable ironing. I'm sure the real experts can do even better!

Describe alternatives you've considered

I can't think of any other alternatives that would be as friendly to absolute beginners.

Additional context
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