screenshot: Replace template strings with .format()

CI will complain when we add screenshot.js to the POTFILES in the next
commit because gettext doesn't like template strings, so make CI happy
and switch to .format() instead.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1658>

diff --git a/js/ui/screenshot.js b/js/ui/screenshot.js
index f10c68f386cd0da98d63bd0d29cb3cc7ba1d4f56..1c724f0babd33f135d5a1e627b85b18f857ec295 100644 (file)
--- a/js/ui/screenshot.js
+++ b/js/ui/screenshot.js
@@ -90,11 +90,11 @@ var ScreenshotService = class {
             return null;
 
         yield Gio.File.new_for_path(
-            GLib.build_filenamev([path, `${filename}.png`]));
+            GLib.build_filenamev([path, '%s.png'.format(filename)]));
 
         for (let idx = 1; ; idx++) {
             yield Gio.File.new_for_path(
-                GLib.build_filenamev([path, `${filename}-${idx}.png`]));
+                GLib.build_filenamev([path, '%s-%s.png'.format(filename, idx)]));
         }
     }