finish the loading of an invite RegisterAction when clicking on a link

src/components/UserNameDialog.vue

@@ -1,10 +1,11 @@
+<!-- similar to ContactNameDialog -->
 <template>
   <div v-if="visible" class="dialog-overlay">
     <div class="dialog">
       <h1 class="text-xl font-bold text-center mb-4">Set Your Name</h1>
 
-      Note that this is not sent to servers. It is only shared with people when
-      you choose to send it to them.
+      This is not sent to servers. It is only shared with people when you send
+      it to them.
       <input
         type="text"
         placeholder="Name"
@@ -21,7 +22,6 @@
           >
             Save
           </button>
-          <!-- SHOW ME instead while processing saving changes -->
           <button
             type="button"
             class="block w-full text-center text-md uppercase bg-gradient-to-b from-slate-400 to-slate-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-2 py-3 rounded-md mb-2"