fix email messages user assoc

app/models/user.rb

@@ -55,7 +55,7 @@ class User < ApplicationRecord
   has_many :template_folders, dependent: :destroy, foreign_key: :author_id, inverse_of: :author
   has_many :user_configs, dependent: :destroy
   has_many :encrypted_configs, dependent: :destroy, class_name: 'EncryptedUserConfig'
-  has_many :email_messages, dependent: :destroy
+  has_many :email_messages, dependent: :destroy, foreign_key: :author_id, inverse_of: :author
 
   devise :two_factor_authenticatable, :recoverable, :rememberable, :validatable, :trackable