Enable recurring invoices/expenses auto-updates based on composing entities (group, client, product, tax, etc.) settings

Enable recurring invoices/expenses auto-updates based on composing entities (group, client, product, tax, etc.) settings: An example involves recurring invoices and the entities settings/properties used for their composition like: client, product, group, tax, etc. It is not unusual to have a customer with recurring invoice being settled up and to have legitimate business reasons to update the price of a product included in the recurring invoice template. Currently, one must update all recurring invoices containing the updated product with product new price at line level and recalculate all calculated fields (totals, discounts, taxes) for each recurring invoice and each customer. Provided...