FIX: limits pre-line impact to tweet text (#15583)

app/assets/stylesheets/common/base/onebox.scss

@@ -613,10 +613,8 @@ aside.onebox.twitterstatus .onebox-body {
     font-size: var(--font-down-1);
   }
 
-  .tweet {
+  .tweet .tweet-description {
     white-space: pre-line;
-    top: calc(-1 * var(--font-0) * var(--line-height-large));
-    position: relative;
   }
 
   p,

lib/onebox/templates/twitterstatus.mustache

@@ -3,7 +3,7 @@
 <div class="twitter-screen-name"><a href="{{link}}" target="_blank" rel="noopener">@{{screen_name}}</a></div>
 
 <div class="tweet">
-  {{{tweet}}}
+  <span class="tweet-description">{{{tweet}}}</span>
   {{#quoted_tweet}}
     <div class="quoted">
       <a class="quoted-link" href="{{quoted_link}}">