This adds a test to verify that the `getTransactionList` behaves as
expected when passing a nil and not-nil type as argument.
Signed-off-by: Hydra Yse <hydra_yse@proton.me>
Removes the empty `type` field from the wallet's list_transactions
request in favor of a null field, which is parsable by serializers.
Signed-off-by: Hydra Yse <hydra_yse@proton.me>
This fixes a UI issue where the error message from the NWC response
would be incorrectly displayed due to utf-8 formatting.
Signed-off-by: Hydra Yse <hydra_yse@proton.me>
