feat: move Azure config to installation_config (#9481)

This PR has the following changes

1. Add `AZURE_APP_ID` and `AZURE_APP_SECRET` to installation config
2. Add Microsoft config to `super_admin/features.yml`
3. Replace usage of `ENV.fetch` with `GlobalConfigService.load` for
fetch App ID and Secret

app/controllers/concerns/microsoft_concern.rb

@@ -2,7 +2,10 @@ module MicrosoftConcern
   extend ActiveSupport::Concern
 
   def microsoft_client
-    ::OAuth2::Client.new(ENV.fetch('AZURE_APP_ID', nil), ENV.fetch('AZURE_APP_SECRET', nil),
+    app_id = GlobalConfigService.load('AZURE_APP_ID', nil)
+    app_secret = GlobalConfigService.load('AZURE_APP_SECRET', nil)
+
+    ::OAuth2::Client.new(app_id, app_secret,
                          {
                            site: 'https://login.microsoftonline.com',
                            authorize_url: 'https://login.microsoftonline.com/common/oauth2/v2.0/authorize',

app/controllers/dashboard_controller.rb

@@ -58,7 +58,7 @@ class DashboardController < ActionController::Base
       FB_APP_ID: GlobalConfigService.load('FB_APP_ID', ''),
       FACEBOOK_API_VERSION: GlobalConfigService.load('FACEBOOK_API_VERSION', 'v17.0'),
       IS_ENTERPRISE: ChatwootApp.enterprise?,
-      AZURE_APP_ID: ENV.fetch('AZURE_APP_ID', ''),
+      AZURE_APP_ID: GlobalConfigService.load('AZURE_APP_ID', ''),
       GIT_SHA: GIT_HASH
     }
   end

app/controllers/microsoft_controller.rb

@@ -12,6 +12,6 @@ class MicrosoftController < ApplicationController
   end
 
   def microsoft_indentity
-    @identity_json = ENV.fetch('AZURE_APP_ID', nil)
+    @identity_json = GlobalConfigService.load('AZURE_APP_ID', nil)
   end
 end

app/controllers/super_admin/app_configs_controller.rb

@@ -35,6 +35,8 @@ class SuperAdmin::AppConfigsController < SuperAdmin::ApplicationController
     @allowed_configs = case @config
                        when 'facebook'
                          %w[FB_APP_ID FB_VERIFY_TOKEN FB_APP_SECRET IG_VERIFY_TOKEN FACEBOOK_API_VERSION ENABLE_MESSENGER_CHANNEL_HUMAN_AGENT]
+                       when 'microsoft'
+                         %w[AZURE_APP_ID AZURE_APP_SECRET]
                        when 'email'
                          ['MAILER_INBOUND_EMAIL_DOMAIN']
                        else