Fixes deformed emoji in pull request reviews (#8047)

* Fixes deformed emoji in pull request comments or reviews

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Generate css via command

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

public/css/index.css

@@ -678,6 +678,7 @@ footer .ui.left,footer .ui.right{line-height:40px}
 .repository .diff-file-box .code-diff-split tbody tr td:nth-child(4){border-left-width:1px;border-left-style:solid}
 .repository .diff-file-box.file-content{clear:right}
 .repository .diff-file-box.file-content img{max-width:100%;padding:5px 5px 0 5px}
+.repository .diff-file-box.file-content img.emoji{padding:0}
 .repository .repo-search-result{padding-top:10px;padding-bottom:10px}
 .repository .repo-search-result .lines-num a{color:inherit}
 .repository.quickstart .guide .item{padding:1em}

public/less/_repository.less

@@ -1424,6 +1424,9 @@
                 max-width: 100%;
                 padding: 5px 5px 0 5px;
             }
+            img.emoji {
+                padding: 0;
+            }
 
             clear: right;
         }