Allow changes to internal user when password is void

app/models/internal_user.rb

@@ -3,8 +3,10 @@
 class InternalUser < User
   authenticates_with_sorcery!
 
+  attr_accessor :validate_password
+
   validates :email, presence: true, uniqueness: true
-  validates :password, confirmation: true, if: :password_void?, on: :update, presence: true
+  validates :password, confirmation: true, if: -> { password_void? && validate_password? }, on: :update, presence: true
   validates :role, inclusion: {in: ROLES}
 
   def activated?
@@ -16,6 +18,13 @@ class InternalUser < User
   end
   private :password_void?
 
+  def validate_password?
+    return true if @validate_password.nil?
+
+    @validate_password
+  end
+  private :validate_password?
+
   def teacher?
     role == 'teacher'
   end