Fix holding name error (#1113)

* Add optional debugger to bin/dev script

* Fix holding naming

app/models/account/holding.rb

@@ -14,9 +14,12 @@ class Account::Holding < ApplicationRecord
   scope :known_value, -> { where.not(amount: nil) }
   scope :for, ->(security) { where(security_id: security).order(:date) }
 
-  delegate :name, to: :security
   delegate :ticker, to: :security
 
+  def name
+    security.name || ticker
+  end
+
   def weight
     return nil unless amount