tweak verbiage and make other UI tweaks

src/views/ContactImportView.vue

@@ -1,11 +1,25 @@
 <template>
   <QuickNav selected="Contacts"></QuickNav>
   <section id="Content" class="p-6 pb-24 max-w-3xl mx-auto">
+    <!-- Back -->
+    <div class="text-lg text-center font-light relative px-7">
+      <h1
+        class="text-lg text-center px-2 py-1 absolute -left-2 -top-1"
+        @click="$router.back()"
+      >
+        <fa icon="chevron-left" class="fa-fw"></fa>
+      </h1>
+    </div>
+
     <!-- Heading -->
     <h1 id="ViewHeading" class="text-4xl text-center font-light pt-4 mb-8">
       Contact Import
     </h1>
 
+    <span>
+      Note that you will have to make them visible one-by-one in the list of
+      Contacts.
+    </span>
     <div v-if="sameCount > 0">
       {{ sameCount }} contact{{ sameCount == 1 ? "" : "s" }} are the same as
       existing contacts.
@@ -56,7 +70,7 @@
       <fa icon="spinner" v-if="importing" class="animate-spin" />
       <button
         v-else
-        class="text-sm bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-2 py-1.5 rounded-l-md"
+        class="bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-sm text-white mt-2 px-2 py-1.5 rounded"
         @click="importContacts"
       >
         Import Selected Contacts
@@ -146,13 +160,14 @@ export default class ContactImportView extends Vue {
       updatedCount = 0;
     for (let i = 0; i < this.contactsImporting.length; i++) {
       if (this.contactsSelected[i]) {
-        const contact = R.clone(this.contactsImporting[i]); // cloning to avoid the problem with a Proxy object
+        const contact = this.contactsImporting[i];
         const existingContact = this.contactsExisting[contact.did];
         if (existingContact) {
           await db.contacts.update(contact.did, contact);
           updatedCount++;
         } else {
-          await db.contacts.add(contact);
+          // without explicit clone on the Proxy, we get: DataCloneError: Failed to execute 'add' on 'IDBObjectStore': #<Object> could not be cloned.
+          await db.contacts.add(R.clone(contact));
           importedCount++;
         }
       }