[ Enhance ] Production to Work Order (#12902)

* remove occurrences of Production Order

* rename from report and jsons

* Change Production Order to Work Order

* change occurences of production order from other files

* resolve minor conflict issues and reports

* patch added

* codacy fix

* updated patches, leftover changes

* rename reports, rectify patches

erpnext/domains/manufacturing.py

@@ -6,7 +6,7 @@ data = {
 		'Supplier',
 		'Sales Order',
 		'Purchase Order',
-		'Production Order',
+		'Work Order',
 		'Task',
 		'Accounts',
 		'HR',