This string is hardcoded and cannot be translated

Hello.

As per Prime Slider Addons for Elementor, this string is hard-coded in these .css file and cannot be translated:

elementor-panel #elementor-controls .upk-disabled-control .elementor-control-field:after { content: "This is a pro control, available with Ultimate Post Kit Pro version.";

https://plugins.trac.ww.wp.xz.cn/browser/ultimate-post-kit/tags/4.1.7/assets/css/upk-all-styles.css#L2894

https://plugins.trac.ww.wp.xz.cn/browser/ultimate-post-kit/tags/4.1.7/assets/css/upk-all-styles.rtl.css#L2894

https://plugins.trac.ww.wp.xz.cn/browser/ultimate-post-kit/tags/4.1.7/assets/css/upk-editor.css#L24

https://plugins.trac.ww.wp.xz.cn/browser/ultimate-post-kit/tags/4.1.7/assets/css/upk-editor.rtl.css#L24

Thanks.