fix: do not allow two merchants with the same public key

static/components/customer-stall/customer-stall.js

@@ -342,8 +342,9 @@ async function customerStall(path) {
         let json = JSON.parse(text)
         if (json.id != this.activeOrder) return
         if (json.payment_options) {
-          let payment_request = json.payment_options.find(o => o.type == 'ln')
-            .link
+          let payment_request = json.payment_options.find(
+            o => o.type == 'ln'
+          ).link
           if (!payment_request) return
           this.loading = false
           this.qrCodeDialog.data.payment_request = payment_request