fix: Specify external db with non-standard port (#2711)

POSTGRES_PORT was not taking effect if provided separately
instead of using DATABASE_URL. This adds support for using
databases running on non-standard ports.

#1145
#1147

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/models/concerns/featurable.rb

@@ -2,7 +2,8 @@ module Featurable
   extend ActiveSupport::Concern
 
   QUERY_MODE = {
-    flag_query_mode: :bit_operator
+    flag_query_mode: :bit_operator,
+    check_for_column: false
   }.freeze
 
   FEATURE_LIST = YAML.safe_load(File.read(Rails.root.join('config/features.yml'))).freeze