Fix overflowing calendar title

www/calendar/app-calendar.less

@@ -245,6 +245,13 @@
                     border-radius: 50%;
                     width: 15px;
                     height: 15px;
+                    flex-shrink: 0;
+                }
+                .cp-calendar-title {
+                    white-space: nowrap;
+                    overflow: hidden;
+                    text-overflow: ellipsis;
+                    padding: 0 5px;
                 }
             }
         }