refactor: improve logging for channel callback controllers (#7555)

Co-authored-by: Tejaswini Chile <tejaswini@chatwoot.com>

app/controllers/api/v1/accounts/callbacks_controller.rb

@@ -14,8 +14,18 @@ def register_facebook_page
       @facebook_inbox = Current.account.inboxes.create!(name: inbox_name, channel: facebook_channel)
       set_instagram_id(page_access_token, facebook_channel)
       set_avatar(@facebook_inbox, page_id)
-    rescue StandardError => e
-      ChatwootExceptionTracker.new(e).capture_exception
+    end
+  rescue StandardError => e
+    ChatwootExceptionTracker.new(e).capture_exception
+    Rails.logger.error "Error in register_facebook_page: #{e.message}"
+    # Additional log statements
+    log_additional_info
+  end
+
+  def log_additional_info
+    Rails.logger.debug do
+      "user_access_token: #{params[:user_access_token]} , page_access_token: #{params[:page_access_token]} ,
+      page_id: #{params[:page_id]}, inbox_name: #{params[:inbox_name]}"
     end
   end
 
@@ -30,6 +40,8 @@ def set_instagram_id(page_access_token, facebook_channel)
 
     instagram_id = response['instagram_business_account']['id']
     facebook_channel.update(instagram_id: instagram_id)
+  rescue StandardError => e
+    Rails.logger.error "Error in set_instagram_id: #{e.message}"
   end
 
   # get params[:inbox_id], current_account. params[:omniauth_token]
@@ -61,6 +73,7 @@ def update_fb_page(fb_page_id, access_token)
       fb_page&.reauthorized!
     rescue StandardError => e
       ChatwootExceptionTracker.new(e).capture_exception
+      Rails.logger.error "Error in update_fb_page: #{e.message}"
     end
   end
 
@@ -77,7 +90,7 @@ def long_lived_token(omniauth_token)
     koala = Koala::Facebook::OAuth.new(GlobalConfigService.load('FB_APP_ID', ''), GlobalConfigService.load('FB_APP_SECRET', ''))
     koala.exchange_access_token_info(omniauth_token)['access_token']
   rescue StandardError => e
-    Rails.logger.error e
+    Rails.logger.error "Error in long_lived_token: #{e.message}"
   end
 
   def mark_already_existing_facebook_pages(data)