Quotations Pro - Receive and Send Quotes 1.5.55

[BUG] Fix validation error

• [BUG] Change license validation timeout.
• [FEATURE] Add product combination ordering and search option
• [BUG] Set quotation tokens when changing status in quotation admin.
• [FEATURE] Restrict carriers when product carriers have been selected.
• [BUG] Include product combo weight in calculation
• [BUG] Round percentage discount to 2 decimal places.
• [BUG] Suppress errors and warnings from Html2Text
• [BUG] Add additional error checks for missing customer service accounts

• * [FEATURE] Add option to select the PDFs that should be attached to customer and admin emails.
  * [BUG] Add missing data to cart pdf copy request

* [BUG] Stop setting default owner when changing quotation status.
* [BUG] Calculate shipping price using defined zone of state when available.