Replaced layout_name and layout_path with layout, improved error messages

June 02, 2020

NEW

• DEPRECATION added layout to Page and EmailNotification and deprecated layout_name for Page and layout_path for EmailNotification
• added email validator

IMPROVED

• improved error messages in multiple places when invalid model_schema_name is provided (for example, forms, model_create mutation, etc.)
• added information about max limit for fetching related_models/related_users to 10.000
• error handling for sum_array when invalid argument is provided
• validation for admin_* mutations to provide proper information about duplicated physical file path