GUACAMOLE-1820: Allow newlines within key events.

guacamole/src/main/frontend/src/app/player/styles/textView.css

@@ -97,6 +97,12 @@
 
 }
 
+.text-batches .text .key-event {
+
+    white-space: pre-wrap;
+
+}
+
 .text-batches .text .not-typed {
 
     font-weight: bold;