Use "random" argument passed to GraphQL team query

This is temporarily needed in order to bypass Relay compat cache. Shouldn't be needed once the client is completely migrated to Relay modern.

Fixes CV2-3775.

app/graph/types/query_type.rb

@@ -79,12 +79,13 @@ def me
     argument :random, GraphQL::Types::String, required: false
   end
 
-  def team(id: nil, slug: nil, _random: nil)
+  def team(id: nil, slug: nil, random: nil)
     tid = id.to_i
-    if !slug.blank?
+    unless slug.blank?
       team = Team.where(slug: slug).first
       tid = team.id unless team.nil?
     end
+    team.reload if random
     tid = Team.current&.id || User.current&.teams&.first&.id if tid === 0
     GraphqlCrudOperations.load_if_can(Team, tid.to_i, context)
   end