[gnome-shell] calendar: Use boolean operations instead of bitwise operators

[Marge Bot <marge-bot src gnome org>]

commit 01a23b0553ad9f4cd5d13e24c2b29512e8ee02e9
Author: Evan Welsh <contact evanwelsh com>
Date:   Sat Oct 30 15:30:32 2021 -0700

    calendar: Use boolean operations instead of bitwise operators
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2039>

 js/ui/calendar.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/calendar.js b/js/ui/calendar.js
index 8ccc73d709..ae312c6c08 100644
--- a/js/ui/calendar.js
+++ b/js/ui/calendar.js
@@ -297,7 +297,7 @@ class DBusEventSource extends EventSourceBase {
 
         let changed = false;
         for (const id of ids)
-            changed |= this._events.delete(id);
+            changed = changed || this._events.delete(id);
 
         if (changed)
             this.emit('changed');
@@ -310,7 +310,7 @@ class DBusEventSource extends EventSourceBase {
         let changed = false;
         for (const id of this._events.keys()) {
             if (id.startsWith(sourceUid))
-                changed |= this._events.delete(id);
+                changed = changed || this._events.delete(id);
         }
 
         if (changed)