[gnome-shell] calendar: Use template strings over concatenation

[Florian Müllner <fmuellner src gnome org>]

commit 7db5f8b28ee1e226d60ec8dcdc621a26b8cfcf76
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Aug 19 21:12:21 2019 +0200

    calendar: Use template strings over concatenation
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/710

 js/ui/calendar.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/js/ui/calendar.js b/js/ui/calendar.js
index 4de3965acf..1f9802f4b1 100644
--- a/js/ui/calendar.js
+++ b/js/ui/calendar.js
@@ -688,15 +688,15 @@ var EventMessage = class EventMessage extends MessageList.Message {
         let rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
         if (this._event.date < periodBegin && !this._event.allDay) {
             if (rtl)
-                title = title + ELLIPSIS_CHAR;
+                title = `${title}${ELLIPSIS_CHAR}`;
             else
-                title = ELLIPSIS_CHAR + title;
+                title = `${ELLIPSIS_CHAR}${title}`;
         }
         if (this._event.end > periodEnd && !this._event.allDay) {
             if (rtl)
-                title = ELLIPSIS_CHAR + title;
+                title = `${ELLIPSIS_CHAR}${title}`;
             else
-                title = title + ELLIPSIS_CHAR;
+                title = `${title}${ELLIPSIS_CHAR}`;
         }
         return title;
     }