* Update Items in Sumbit state can add new row
In Sales Order and Purchase Order when docstatus is submitted user can
use Update Item btn to add new child Items
* Remove unused code line
* Remove blocking db save thread line
* Remove Company as not standard Field in Purchase Order Item
* Minor indentation fix
* Add Unit Test, add new row in update_child_qty_rate
* Codacy fix
* -Added field def_warehouse that sets warehouse of all items
-Grouped warehouse fields together and put raw materies supplied before items table, it will only show if there are any items supplied
* Set def_warehouse in test_sales_order.py
* Changed from def_warehouse to set_warehouse
* Rest of def_warehouse to set_warehouse
* Update transaction.js
* setup barcode scan
stock entry controller not inherited from transaction.js, need to call setup barcode scan from transaction.js
* fix bug of item_code change always reset qty to 0
when calling frappe.model.set_value(dt,dn,'item_code',xxx), even qty is set, system always reset qty to 0.
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* clean up barcode logic for transactions
* call scan_barcode method for stock entry
* separate out logic for searching serial, batch or barcode number
* added scan barcode field in transactions doctype
* search barcode-serial-batch sequence, code rectify
* hide all barcode related field if disabled from settings
* remove print statement
* Update stock_entry.py
* Minor fix for the problem that Net Total, Net Rate, Net Amount field would not be shown when default taxes were fetched
* Prevent net_rate from becoming NaN
* -Fixed problem that party_account_currency was not set in mapped document
-Fixed problem that discount amount was not recalculated (in mapped document)
-Fixed problem that set_dynamic_fields would work only on certain condition that led to showing Total (Company Currency) field even when using company currency
