Swap to heading tags on presented headings (#1707)

src/app/accounts/register.component.html

@@ -101,7 +101,7 @@
       <div [ngClass]="{ 'col-5': layout, 'col-12': !layout }">
         <div class="row justify-content-md-center mt-5">
           <div [ngClass]="{ 'col-5': !layout, 'col-12': layout }">
-            <p class="lead text-center mb-4" *ngIf="!layout">{{ "createAccount" | i18n }}</p>
+            <h1 class="lead text-center mb-4" *ngIf="!layout">{{ "createAccount" | i18n }}</h1>
             <div class="card d-block">
               <div class="card-body">
                 <app-callout

src/app/send/access.component.html

@@ -1,7 +1,7 @@
 <form #form (ngSubmit)="load()" [appApiAction]="formPromise" class="container" ngNativeValidate>
   <div class="row justify-content-center mt-5">
     <div class="col-12">
-      <p class="lead text-center mb-4">Bitwarden Send</p>
+      <h1 class="lead text-center mb-4">Bitwarden Send</h1>
     </div>
     <div class="col-12 text-center" *ngIf="creatorIdentifier != null">
       <p>{{ "sendCreatorIdentifier" | i18n: creatorIdentifier }}</p>