fix: checkbox disposable default (#98)

was not set

static/js/index.js

@@ -92,6 +92,7 @@ window.app = Vue.createApp({
         show: false,
         fixedAmount: true,
         data: {
+          disposable: true,
           zaps: false
         }
       },

templates/lnurlp/index.html

@@ -242,6 +242,7 @@
                 <div class="col-12">
                   <q-checkbox
                     dense
+                    :toggle-indeterminate="false"
                     v-model="formDialog.data.disposable"
                     label="If enabled, the LNURL will not be stored (default)."
                   />