Chore: Improve confirmation flow for agents (#3519)

- Agents are redirected to the password reset page which confirms the agent as well as sets a new password.

spec/mailers/confirmation_instructions_spec.rb

@@ -5,9 +5,14 @@ require 'rails_helper'
 RSpec.describe 'Confirmation Instructions', type: :mailer do
   describe :notify do
     let(:account) { create(:account) }
-    let(:confirmable_user) { create(:user, inviter: inviter_val, account: account) }
+    let!(:confirmable_user) { create(:user, inviter: inviter_val, account: account) }
     let(:inviter_val) { nil }
-    let(:mail) { Devise::Mailer.confirmation_instructions(confirmable_user, nil, {}) }
+    let(:mail) { Devise::Mailer.confirmation_instructions(confirmable_user.reload, nil, {}) }
+
+    before do
+      # to verify the token in email
+      confirmable_user.send(:generate_confirmation_token)
+    end
 
     it 'has the correct header data' do
       expect(mail.reply_to).to contain_exactly('accounts@chatwoot.com')
@@ -23,6 +28,11 @@ RSpec.describe 'Confirmation Instructions', type: :mailer do
       expect(mail.body).to_not match('has invited you to try out Chatwoot!')
     end
 
+    it 'sends a confirmation link' do
+      expect(mail.body).to include("app/auth/confirmation?confirmation_token=#{confirmable_user.confirmation_token}")
+      expect(mail.body).not_to include('app/auth/password/edit')
+    end
+
     context 'when there is an inviter' do
       let(:inviter_val) { create(:user, :administrator, skip_confirmation: true, account: account) }
 
@@ -31,6 +41,11 @@ RSpec.describe 'Confirmation Instructions', type: :mailer do
           "#{CGI.escapeHTML(inviter_val.name)}, with #{CGI.escapeHTML(account.name)}, has invited you to try out Chatwoot!"
         )
       end
+
+      it 'sends a password reset link' do
+        expect(mail.body).to include('app/auth/password/edit?reset_password_token')
+        expect(mail.body).not_to include('app/auth/confirmation')
+      end
     end
   end
 end