Renaming extensions subdirectory for GNOME 47.

Signed-off-by: Daniel Baumann <daniel@debian.org>

extensions/47/no-overview/extension.js

@@ -0,0 +1,26 @@
+/*
+  No overview at start-up
+  GNOME Shell 45+ extension
+  Contributors: @fthx
+  License: GPL v3
+*/
+
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+
+export default class NoOverviewExtension {
+    enable() {
+        if (!Main.layoutManager._startingUp) {
+            return;
+        }
+
+        Main.layoutManager.connectObject(
+            'startup-complete',
+            () => Main.overview.hide(),
+            this
+        );
+    }
+
+    disable() {
+        Main.layoutManager.disconnectObject(this);
+    }
+}