permit curator in create and update collection

app/controllers/v1/collections_controller.rb

@@ -99,7 +99,7 @@ class V1::CollectionsController < ApplicationController
 
   # Never trust parameters from the scary internet, only allow the white list through.
   def collection_params
-    params.require(:collection).permit(:name, :description, :owner_id, :owner_type, :privacy, tags: [])
+    params.require(:collection).permit(:name, :curator, :description, :owner_id, :owner_type, :privacy, tags: [])
   end
 
   def extra_params