FIX: Don't dismiss dropdown when searching within posts context.

app/assets/javascripts/discourse/components/menu-panel.js.es6

@@ -156,7 +156,8 @@ export default Ember.Component.extend({
   _bindEvents() {
     this.$().on('click.discourse-menu-panel', 'a', e => {
       if (e.metaKey || e.ctrlKey || e.shiftKey) { return; }
-      if ($(e.target).data('ember-action')) { return; }
+      const $target = $(e.target);
+      if ($target.data('ember-action') || $target.closest('.search-link').length > 0) { return; }
       this.hide();
     });
 

app/assets/javascripts/discourse/lib/click-event.js.es6

@@ -1,3 +0,0 @@
-export function isModifierOrMetaKey(event) {
-  return e.metaKey || e.ctrlKey || e.shiftKey;
-}

app/assets/javascripts/discourse/templates/components/search-result-post.hbs

@@ -1,4 +1,5 @@
 {{#each results as |result|}}
+  <li>
     <a class='search-link' href='{{unbound result.urlWithNumber}}'>
       <span class='topic'>
         {{i18n 'search.post_format' post_number=result.post_number username=result.username}}
@@ -9,4 +10,5 @@
         </span>
       {{/unless}}
     </a>
+  </li>
 {{/each}}