Add fix to adding admin user as private user to a private process wit…

…h case-insensitive input

decidim-admin/app/commands/decidim/admin/create_participatory_space_private_user.rb

@@ -62,7 +62,7 @@ def existing_user
         return @existing_user if defined?(@existing_user)
 
         @existing_user = User.find_by(
-          email: form.email,
+          email: form.email.downcase,
           organization: private_user_to.organization
         )
 

decidim-admin/spec/commands/decidim/admin/create_participatory_space_private_user_spec.rb

@@ -114,6 +114,21 @@ module Decidim::Admin
         end
       end
 
+      context "when email is input with case-insensitive letters" do
+        let!(:admin) { create(:user, :admin, email: "[email protected]", organization: privatable_to.organization) }
+        let!(:email) { "[email protected]" }
+
+        it "still finds the user" do
+          expect { subject.call }.to broadcast(:ok)
+
+          participatory_space_private_users = Decidim::ParticipatorySpacePrivateUser.where(user: admin)
+          participatory_space_admin = Decidim::User.where(email: "[email protected]")
+
+          expect(participatory_space_private_users.count).to eq 1
+          expect(participatory_space_admin.first.admin?).to be true
+        end
+      end
+
       context "when the user has not accepted the invitation" do
         before do
           user.invite!