CSS: Fix regression. Make sure notifications div maintains height

sass/_chatbox.scss

@@ -235,6 +235,10 @@
                 font-style: italic;
                 line-height: var(--line-height-small);
                 padding: 0 1em 0.3em;
+
+                &:before {
+                    content: " ";
+                }
             }
 
             video {