Fix/hotfix custom design (#850)

* allow to toggle custom desing on and off

* make custom design off by default, toggle custom design

lnbits/extensions/withdraw/static/js/index.js

@@ -70,7 +70,7 @@ new Vue({
         show: false,
         data: {
           is_unique: true,
-          use_custom: true,
+          use_custom: false,
           title: 'Vouchers',
           min_withdrawable: 0,
           wait_time: 1
@@ -125,7 +125,6 @@ new Vue({
       var link = _.findWhere(this.withdrawLinks, {id: linkId})
 
       this.qrCodeDialog.data = _.clone(link)
-      console.log(this.qrCodeDialog.data)
       this.qrCodeDialog.data.url =
         window.location.protocol + '//' + window.location.host
       this.qrCodeDialog.show = true
@@ -140,6 +139,11 @@ new Vue({
         id: this.formDialog.data.wallet
       })
       var data = _.omit(this.formDialog.data, 'wallet')
+
+      if (!data.use_custom) {
+        data.custom_url = null
+      }
+
       if (data.use_custom && !data?.custom_url) {
         data.custom_url = CUSTOM_URL
       }
@@ -168,6 +172,10 @@ new Vue({
       data.title = 'vouchers'
       data.is_unique = true
 
+      if (!data.use_custom) {
+        data.custom_url = null
+      }
+
       if (data.use_custom && !data?.custom_url) {
         data.custom_url = '/static/images/default_voucher.png'
       }

lnbits/extensions/withdraw/templates/withdraw/index.html

@@ -241,7 +241,7 @@
           v-model="formDialog.data.custom_url"
           type="text"
           label="Custom design .png (optional)"
-          hint="Enter a URL if you want to use a custom design or leave blank for showing only the QR"
+          hint="Enter a URL if you want to use a custom design or leave blank for LNbits designed vouchers!"
         ></q-input>
         <q-list>
           <q-item tag="label" class="rounded-borders">
@@ -353,7 +353,7 @@
           v-model="simpleformDialog.data.custom_url"
           type="text"
           label="Custom design .png (optional)"
-          hint="Enter a URL if you want to use a custom design or leave blank for showing only the QR"
+          hint="Enter a URL if you want to use a custom design or leave blank for LNbits designed vouchers!"
         ></q-input>
 
         <div class="row q-mt-lg">