Fix bug where a non-ASCII character in app.js could cause error in javascript engine (#8894)

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Fix so N property always exists in a vCard export (#8771)
 - Fix so rcmail::format_date() works with DateTimeImmutable input (#8867)
+- Fix bug where a non-ASCII character in app.js could cause error in javascript engine (#8894)
 
 ## Release 1.5.3
 

program/js/app.js

@@ -4264,7 +4264,7 @@ function rcube_webmail()
     var container = $(this.gui_objects.editform).find('.identity-encryption').first();
     var identity_email = $(this.gui_objects.editform).find('.ff_email').val().trim();
 
-    if (!container.length || !identity_email || !this.mailvelope_keyring.createKeyGenContainer)
+    if (!container.length || !identity_email || !this.mailvelope_keyring.createKeyGenContainer)
       return;
 
     var key_fingerprint;