Set invoice as not private to add routing hint

src/action/invoice.js

@@ -52,6 +52,8 @@ class InvoiceAction {
    * which can be rendered in a QR code for scanning. After the values
    * are set on the store the user is navigated to the invoice QR view
    * which displays the QR for consumption by the payer.
+   * The invoice is set private since it should contain a routing hint
+   * for private channels.
    * This action can be called from a view event handler as does all
    * the necessary error handling and notification display.
    * @return {Promise<undefined>}
@@ -62,6 +64,7 @@ class InvoiceAction {
       const response = await this._grpc.sendCommand('addInvoice', {
         value: toSatoshis(invoice.amount, settings),
         memo: invoice.note,
+        private: true,
       });
       invoice.encoded = response.payment_request;
       invoice.uri = `${PREFIX_URI}${invoice.encoded}`;

test/unit/action/invoice.spec.js

@@ -60,6 +60,7 @@ describe('Action Invoice Unit Tests', () => {
         .withArgs('addInvoice', {
           value: 1000,
           memo: 'foo',
+          private: true,
         })
         .resolves({
           payment_request: 'some-request',