Derive light and sight based on condition

[Jagusti]

Preset sight or light option depending on condition, in the following priority:

• Blinded vision = Blinded
• Unconscious: vision =No Vision
• Ablaze: light = Ablaze

Apply Blinded or Unconscious in preference to Dark Vision or Night Vision (see #41).

Prompt for vision update when condition is updated, even if Token Vision & Light dialog is not open.

[Jagusti]

This might be a separate issue ... Without altering the condition script, prompt for vision update when condition is updated, even if Token Vision & Light dialog is not open:

Adding:

• Hook into adding an effect (or actor change?)
• Check if effect is Unconscious, or a new Ablaze or Blinded condition (condition value= 1)
• Prompt to update Vision settings when condition is added

Removing

• Hook into deleting an effect (or actor change?)
• Check if effect removed is Unconscious, or last Ablaze or Blinded condition (undefined condition or value = 0)
• Prompt to update Vision settings when condition is removed

Maybe add a setting to always vs prompt vs never auto-update vision based on condition change.