GUACAMOLE-723: Apply ellipsis when connection name overflows available space, regardless of whether the connection selection menu is used.

guacamole/src/main/webapp/app/client/styles/connection-select-menu.css

@@ -17,6 +17,10 @@
  * under the License.
  */
 
+#guac-menu .header h2.connection-select-menu {
+    overflow: visible;
+}
+
 .connection-select-menu {
     padding: 0;
     min-width: 0;

guacamole/src/main/webapp/app/client/styles/guac-menu.css

@@ -65,6 +65,13 @@
     margin-top: 1em;
 }
 
+#guac-menu .header h2 {
+    white-space: nowrap;
+    overflow: hidden;
+    width: 100%;
+    text-overflow: ellipsis;
+}
+
 #guac-menu #mouse-settings .choice {
     text-align: center;
 }