Fix HFR iron content UI scale (#61391)
Fix HFR iron content UI scale (#61391)

Iron content is now clamped between 0% and 100%, meaning values over 1
never appear. The HFR now starts taking damage from iron content at 36%,
but will always display "good" status on the UI, even when integrity
failure is imminent.

This adjusts the iron content scale to use warning colors when over 10%,
and use danger colors over 36%, where the HFR begins to take damage.
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