LibJS: Set configurable toStringTag property for console

Author: https://github.com/GasimGasimzada
Commit: c5b8e75204
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1015
Reviewed-by: https://github.com/tcl3 ✅

Tests/LibWeb/Text/input/console/console-to-string-tag.html

@@ -0,0 +1,7 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        println(console[Symbol.toStringTag])
+        println(console.toString())
+    });
+</script>