FIX: Allow bulk invites to be used with DiscourseConnect (#14862)

Support for invites alongside DiscourseConnect was added in 355d51af. This commit fixes the guardian method so that the bulk invite button functionality also works.

lib/guardian.rb

@@ -397,7 +397,7 @@ class Guardian
   end
 
   def can_bulk_invite_to_forum?(user)
-    user.admin? && !SiteSetting.enable_discourse_connect
+    user.admin?
   end
 
   def can_resend_all_invites?(user)

spec/requests/invites_controller_spec.rb

@@ -904,6 +904,16 @@ describe InvitesController do
         expect(Jobs::BulkInvite.jobs.size).to eq(1)
       end
 
+      it 'allows admin to bulk invite when DiscourseConnect enabled' do
+        SiteSetting.discourse_connect_url = "https://example.com"
+        SiteSetting.enable_discourse_connect = true
+
+        sign_in(admin)
+        post '/invites/upload_csv.json', params: { file: file, name: 'discourse.csv' }
+        expect(response.status).to eq(200)
+        expect(Jobs::BulkInvite.jobs.size).to eq(1)
+      end
+
       it 'sends limited invites at a time' do
         SiteSetting.max_bulk_invites = 3
         sign_in(admin)