fix: Revert changes to fix name updation from pre-chat form (#4741)

spec/controllers/api/v1/widget/conversations_controller_spec.rb

@@ -69,6 +69,36 @@ RSpec.describe '/api/v1/widget/conversations/toggle_typing', type: :request do
       expect(json_response['id']).not_to eq nil
       expect(json_response['contact']['email']).to eq 'contact-email@chatwoot.com'
       expect(json_response['contact']['phone_number']).to eq '+919745313456'
+      expect(json_response['contact']['name']).to eq 'contact-name'
+      expect(json_response['custom_attributes']['order_id']).to eq '12345'
+      expect(json_response['messages'][0]['content']).to eq 'This is a test message'
+    end
+
+    it 'does not update the name if the contact already exist' do
+      existing_contact = create(:contact, account: account)
+
+      post '/api/v1/widget/conversations',
+           headers: { 'X-Auth-Token' => token },
+           params: {
+             website_token: web_widget.website_token,
+             contact: {
+               name: 'contact-name',
+               email: existing_contact.email,
+               phone_number: '+919745313456'
+             },
+             message: {
+               content: 'This is a test message'
+             },
+             custom_attributes: { order_id: '12345' }
+           },
+           as: :json
+
+      expect(response).to have_http_status(:success)
+      json_response = JSON.parse(response.body)
+      expect(json_response['id']).not_to eq nil
+      expect(json_response['contact']['email']).to eq existing_contact.email
+      expect(json_response['contact']['name']).not_to eq 'contact-name'
+      expect(json_response['contact']['phone_number']).to eq '+919745313456'
       expect(json_response['custom_attributes']['order_id']).to eq '12345'
       expect(json_response['messages'][0]['content']).to eq 'This is a test message'
     end