Merge pull request #3896 from tgxworld/fix_emoji_modal

Some fixes to Emoji modal.

app/assets/javascripts/discourse/components/d-editor.js.es6

@@ -240,7 +240,7 @@ export default Ember.Component.extend({
           showSelector({
             appendTo: self.$(),
             container,
-            onSelect: title => self._addText(this._getSelected(), `${title}:`)
+            onSelect: title => self._addText(self._getSelected(), `${title}:`)
           });
           return "";
         }

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

@@ -14,7 +14,7 @@ body img.emoji {
   left: 50%;
   top: 50%;
   width: 445px;
-  height: 264px;
+  min-height: 264px;
   margin-top: -132px;
   margin-left: -222px;
   background-color: dark-light-choose(#dadada, blend-primary-secondary(5%));