Conditionally show property controls based on props (or other values) in Framer X, returns `true` or `false`.

HiddenPropertyControls.tsx

static propertyControls: PropertyControls = {    
  status: {
    type: ControlType.Enum,
    options: ["idle", "fetching", "success", "error"],
    optionTitles: ["Idle", "Fetching", "Success", "Error"],
    title: "Status"
  },
  errorText: { 
    type: ControlType.String, 
    title: "Error Text",
    hidden: (props) => props.status !== "error" 
  }
}