feat: API to download breached conversations (#9150)

* feat: add download conversations endpoint

* feat: template for conversation list download

* feat: setup download API and tests

* chore: revert formatting change

* feat: rename download method

* feat: rename template

* feat: include sla_policy table in download query

* refactor: add nil safety to assignee

* chore: Update en.yml

* fix: remove applied_sla relation

config/locales/en.yml

@@ -106,6 +106,15 @@ en:
       avg_resolution_time: Avg resolution time
     conversation_traffic_csv:
       timezone: Timezone
+    sla_csv:
+      conversation_id: Conversation ID
+      sla_policy_breached: SLA Policy
+      assignee: Assignee
+      team: Team
+      inbox: Inbox
+      labels: Labels
+      conversation_link: Link to the Conversation
+      breached_events: Breached Events
     default_group_by: day
     csat:
       headers:

config/routes.rb

@@ -147,6 +147,7 @@ Rails.application.routes.draw do
           resources :applied_slas, only: [:index] do
             collection do
               get :metrics
+              get :download
             end
           end
           resources :custom_attribute_definitions, only: [:index, :show, :create, :update, :destroy]