[FIX] im_livechat: display live chat button in one line

addons/im_livechat/static/src/css/im_livechat.css

@@ -16,6 +16,7 @@
     bottom: 0px;
     right: 6px;
     display: inline-block;
+    white-space: nowrap;
     min-width: 100px;
     background-color: rgba(60, 60, 60, 0.6);
     font-family: 'Lucida Grande', 'Lucida Sans Unicode', Arial, Verdana, sans-serif;