put users into resolver to have query_type class as clean as possible

app/graphql/resolvers/users.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Resolvers
+  # Resolver to return a user
+  class Users < BaseResolver
+    type Types::UserType.connection_type, null: true
+    description 'Returns all user for the current user company'
+
+    def resolve(**_args)
+      ::User.accessible_by(current_ability).includes(:company)
+    end
+  end
+end

app/graphql/types/query_type.rb

@@ -6,16 +6,9 @@ module Types
   class QueryType < BaseObject
     field :me, resolver: Resolvers::Me
 
-    field :users, Types::UserType.connection_type, null: false
-    def users(**_args)
-      ::User.accessible_by(current_ability).includes(:company)
-    end
+    field :users, resolver: Resolvers::Users
     field :user, resolver: Resolvers::User
 
     field :company, resolver: Resolvers::Companies::Company
-
-    def current_ability
-      Ability.new(context[:current_user])
-    end
   end
 end

config/application.rb

@@ -40,5 +40,8 @@ class Application < Rails::Application
     # Skip views, helpers and assets when generating a new resource.
 
     config.time_zone = 'Berlin'
+
+    # devise uses this for default from options
+    config.action_mailer.default_options = { from: ENV['DEVISE_MAILER_FROM'] }
   end
 end