Auto-fill for purchases does not work after creating a transfer

[VMelnalksnis]

Describe the bug When creating a new transactions, auto-fill for purchases does not work as expected.

To Reproduce Steps to reproduce the behavior:

1. Create a new transaction
2. Create a new transfer
3. When creating a new purchase, see that price/currency is not auto-filled

Expected behavior Purchase details are auto-filled the same way when adding a purchase to and existing transaction with a transfer.