Fix setColorUnlessGreen (#4300)
Fix setColorUnlessGreen (#4300)

Previously this method effectively did nothing. Luckily, it was only used to reset color during freezing, which is fine: frozen objects do not use color.
wiltonlazary/kotlin-native,JetBrains/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,wiltonlazary/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native