There's a Map action that costs Gems. Can this action be taken during the phase of the dream where you cannot use Gems? According to this, the Morphing effect of "no Gems" doesn't include Influence cards or Map actions. https://www.etherfields-secrets.com/forum/morphing-tokens/no-shining-gems-morphing
Is that also true here?
No, the Gate Tile specifically says that Shining Gems cannot be used in any way during this Dream.