Ability to add new vendor on the fly

[ayush-goyal]

When creating a new requisition, if the vendor you want isn't listed, you should be able to type it in the dropdown field and add it to your requisition.

[ayush-goyal]

Other select, autofill features to add:

• When selecting shipping location, have autofill locations

• When adding payment, have autofill for total amount/remaining amount