feat: put duplicate logs check feature behind toggle

app/services/bulk_upload/lettings/validator.rb

@@ -43,7 +43,7 @@ class BulkUpload::Lettings::Validator
   def create_logs?
     return false if any_setup_errors?
     return false if row_parsers.any?(&:block_log_creation?)
-    return false if any_logs_already_exist?
+    return false if any_logs_already_exist? && FeatureToggle.bulk_upload_duplicate_log_check_enabled?
     return false if any_logs_invalid?
 
     true

app/services/bulk_upload/lettings/year2022/row_parser.rb

@@ -307,7 +307,7 @@ class BulkUpload::Lettings::Year2022::RowParser
   validate :validate_no_disabled_needs_conjunction, on: :after_log
   validate :validate_dont_know_disabled_needs_conjunction, on: :after_log
   validate :validate_no_and_dont_know_disabled_needs_conjunction, on: :after_log
-  validate :validate_if_log_already_exists, on: :after_log
+  validate :validate_if_log_already_exists, on: :after_log, if: -> { FeatureToggle.bulk_upload_duplicate_log_check_enabled? }
 
   validate :validate_owning_org_data_given, on: :after_log
   validate :validate_owning_org_exists, on: :after_log

app/services/bulk_upload/lettings/year2023/row_parser.rb

@@ -311,7 +311,7 @@ class BulkUpload::Lettings::Year2023::RowParser
   validate :validate_no_disabled_needs_conjunction, on: :after_log
   validate :validate_dont_know_disabled_needs_conjunction, on: :after_log
   validate :validate_no_and_dont_know_disabled_needs_conjunction, on: :after_log
-  validate :validate_if_log_already_exists, on: :after_log
+  validate :validate_if_log_already_exists, on: :after_log, if: -> { FeatureToggle.bulk_upload_duplicate_log_check_enabled? }
 
   validate :validate_owning_org_data_given, on: :after_log
   validate :validate_owning_org_exists, on: :after_log