* Patch: Create Payment Terms based on default credit days set in company and use it while setting due_date
* Payment Terms patch for credit days defined in customer group
* validate schedule dates in non-invoice documents
* change query for orders
* take care of orders with/without payment schedule
* clean up, refactor, PEP8
* Revert "test fixed (#12094)"
This reverts commit dd700a550f.
* Revert "[fix] Column Heading in received item to be billed report (#12083)"
This reverts commit 7c57b6ecd8.
* Revert "[fix] Mobile no search issue in the pos (#12090)"
This reverts commit b725affe0c.
* Revert "[Fix] Payment terms validation issue (#12092)"
This reverts commit 9b8e1cb10e.
* [new] Calculate shipping tax based on weight
* [fix] Change field name weight to weight_per_unit in SI Item
* [new] Shipping Rule based tax for selling module
* [new] Shipping rule based on weight added to Buying module
* [fix] Conflict in jsons
* [fix] Removed Redudant add_fetch
* [fix] Codacy fixed
* [fix] Print hide added
* prevent premature escape when item has serial no and batch no
* fetch actual_batch_qty for item
* add available_qty to dialog
* remove expired batches from drop-down
* Update queries.py
* [enhance] Opening Invoice Tool create Opening Sales/Purchase Invoices
* [minor] added progress bar while creating invoice
* [minor] allow bulk upload for the invoices
* [minor] calculate item rate from net total
* [minor] added defaults for invoices fields, create gl entries only if grand_total is greater than 0
* [minor] check mandatory values before making opening invoices
* [minor] enable primary button if there is any error while creating invoices
* [minor] minor fixes, set company currency as invoice currency added tests
* [dashboard] added Opening Invoice Summery section in Dashboard
* [minor] added total invoices count on dashboard
* [minor] don't show dashboard if there are no opening invoices available
* [minor] added Opening Invoice Tools to Account's Tools section
* [minor] codecy fixes
* [fix] refactored general ledger and buttons on charts
* [fix] tests
* field for company margin
* added base_rate_with_margin
* calculate company margin
* test for item price
* test for delivery note
* test for sales order
* test for quotation
* test for sales invoice
