[Fix] website_variants_extra :hide elements until be loaded. ISSUE811

[8.0][stock_quant_cost_segmentation] Add 8.0 api-decorated method

[REF] website_variants_extra: place product price, product qty, and "add to cart "btn in  3rd column. It also add the reviews number, Icons(quote, Ask question,Print) and the behavior to share products . The product name change acording to the selected variants.  HU#1006 ISSUE#571

[FIX]set a specific product selection, to avoid select a different product

price,product qty and "add to cart btn" are moved from 2nd to 3rd column.
it also add product availability in 3rd column.

[FIX] Superuser is the only one capable of writing into quants

[IMP] When Landed Cost Document changes in invoices it should affect

other LC Documents

[IMP] Added on_change trigger on Landed Cost Document 

forgetting to push Update Cost from invoices

[IMP] Segmentation added on Workcenters

due to the fact that Subcontracting is included inside Workcenters

[REF] mrp_workcenter_segmentation: add new demo workcenter for a new routing, override existing workcenter segmentation to production cost, decrement current routing for E product to 1 hour

Merge pull request #755 from vauxoo-dev/8.0-fix-stock_card_segmentation-with-supplier-product-return-osval

[FIX] stock_card_segmentation: product price based on quants

[FIX] stock_card_segmentation: check quant movements when computing move_valuation for supplier product return

[IMP] Server Action to update Quants Material Costs And Segmentation …