* feat: allow adding of items after quotation submission
* feat: allow deletion of items from submitted SO & PO
* fix: case when items are added and deleted at once
* fix: add test cases
* For deletion of items while Updating Items after submitting PO & SO
* fix: merge conflict
* fix: restored missing set_gst_state_and_state_number function
* fix: style linting as per codacy
* fix: Fixes related to customer/lead merging
* fix: merge conflict
* fix: Fixes related to customer/lead merging
* fix: Assign isue/opportunity to user
* fix: Assign isue/opportunity to user
* fix: Replaced Invoice type by GST Category
* fix: merge conflict
* fix: merge conflict
* fix: test cases
* fix: test cases
* 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
* Allow Cost Center In Entry of Balance Sheet Account
* Add parent cost center in get payment entry
* Add Tests for Allow Cost Center In Entry of Balance Sheet Account
* Add tests for cost center wise account and party balance
* set parent cost center in taxes
* 1. Remove copy parent cost_center to child
2. Improve update party and account balance functionality on cost_center change
3. Add cost_center filter to get_outstanding_documents
* fix Codacy and Travis issue
* fix in query incase list is empty
* periodicity not found error
when called from consolidated financial statements and custom cash flow is activated
* unset currency filter to apply default currency or so
* python 2 - 3 fix
* utility function added for treeview
function to distinguish defaults from user permission and return appropriate data
* make use of utility function for treeview