chore: Improve the reauthorization requirement for Email Channel (#4753)

app/models/channel/email.rb

@@ -36,6 +36,8 @@ class Channel::Email < ApplicationRecord
   include Channelable
   include Reauthorizable
 
+  AUTHORIZATION_ERROR_THRESHOLD = 10
+
   self.table_name = 'channel_email'
   EDITABLE_ATTRS = [:email, :imap_enabled, :imap_login, :imap_password, :imap_address, :imap_port, :imap_enable_ssl, :imap_inbox_synced_at,
                     :smtp_enabled, :smtp_login, :smtp_password, :smtp_address, :smtp_port, :smtp_domain, :smtp_enable_starttls_auto,

app/models/concerns/reauthorizable.rb

@@ -29,7 +29,9 @@ module Reauthorizable
   # Implement in your exception handling logic for authorization errors
   def authorization_error!
     ::Redis::Alfred.incr(authorization_error_count_key)
-    prompt_reauthorization! if authorization_error_count >= AUTHORIZATION_ERROR_THRESHOLD
+    # we are giving precendence to the authorization error threshhold defined in the class
+    # so that channels can override the default value
+    prompt_reauthorization! if authorization_error_count >= self.class::AUTHORIZATION_ERROR_THRESHOLD
   end
 
   # Performed automatically if error threshold is breached