CSS fix: prevent zalgo text from going out of vertical bounds

src/shared/styles/messages.scss

@@ -183,6 +183,7 @@
                 white-space: pre-wrap;
                 word-wrap: break-word;
                 word-break: break-word;
+                overflow-y: hidden;
                 a {
                     word-wrap: break-word;
                     word-break: break-all;