* location tree fixes
validate if child present while deleting, filter lists down only group enabled node
* department tree fixes
Adding child fix if added from rootnode with company filter applied. Rename consistency added. Validation added in on_trash
* Company tree fix
Check if child exist while deleting a node validation added.
* Supplier Group tree fixes
on_trash validation added if child node present
* Cost Center tree fixes
Adding child to root node throws error because parent_cost_center picks up root name
* Fix Purchase Receipt tests
* Fix Item test
* Fix daily work summary test
* Modify currency exchange test cases
* Fix Leave Application test
* Update working hours when making salary slip from timesheet
* Replace fixer.io with exchangeratesapi
* Fix codacy
* validate staffing plan
* staffing plan docs
* get_active_staffing_plan_and_vacancies now returns dict, mandatory fields set
* validate with parent and child company plans, plan now considers open job openings
* Failure details in validate error messages
* Fixed sql injection
* Earned Leave Allocations will be initially zero, escaped validation in leave allocation to allow this
* Earned Leave monthly scheduler method, test
* remove whitelist of method
* Replace frappe.db.sql to frappe.get_list to apply permissions (#14037)
* Replace frappe.db.sql to frappe.get_list to apply permission
- All get_children method had frappe.db.sql in them which
had no permission check, now its replaced with frappe.get_list
which will check permission based on the user.
* Fix codacy
- Remove trailing whitespace
* Add parent filter
* Add ifnull checks
* Parse date using getdate to avoid TypeError
* Fix alignment of application dashboard table text
* Use `user` instead of `email` to get value from user table
