* feat: new DocType `Service Item and Finished Good Map`
* fix(ux): filters for Service Item and Finished Good
* fix: validations for Service Item and Finished Good
* feat: set FG Item on Service Item selection in PO
* refactor: one-to-many mapping between service item and finished goods
* feat: auto set Service Item for finished good in PO created from PP
* feat: auto set Service Item on Finished Good selection in PO
* test: add test case for service item and finished goods map
* feat: `BOM` field in `Finished Good Detail`
* feat: new DocType `Subcontracting BOM`
* fix: filters and validations for Subcontracting BOM
* feat: auto select Service Item in PO created from PP
* test: add test case for PO service item auto pick
* feat: pick BOM from Subcontracting BOM in SCO
* feat: auto pick `Service Item` on FG select
* refactor: remove DocType `Service Item and Finished Goods Map` and `Finished Good Detail`
* feat: fetch FG for Service Item
* chore: `linter`
* refactor: update `Auto Name` expression for Subcontracting BOM