fix: null check for valuation rate (#19195)
fix: null check for valuation rate (#19195)

* fix: null check for valuatiomn rate

* fix: add rate for item in test records

* refactor: use flt instead of throwing error

* Revert "fix: add rate for item in test records"

This reverts commit f8cebe65f5fe32382aba842f765d263511cbb082.

gsnbng/erpnext,gsnbng/erpnext,gsnbng/erpnext,gsnbng/erpnext