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/channel/web_widget.rb

@@ -39,7 +39,9 @@ class Channel::WebWidget < ApplicationRecord
 
   has_flags 1 => :attachments,
             2 => :emoji_picker,
-            :column => 'feature_flags'
+            :column => 'feature_flags',
+            :check_for_column => false
+
   enum reply_time: { in_a_few_minutes: 0, in_a_few_hours: 1, in_a_day: 2 }
 
   def name