Bug: `Try it in the Playground` links throw "Failed to load code from URL"

[illia-m-b]

The two Try in the Playground links in the "Slots" article fail with a Failed to load code from URL alert when opened (see links and attached screenshot below).

docs/src/guide/components/slots.md

Lines 377 to 386 in 7681134

	<div class="composition-api">
	[Try it in the Playground](https://play.vuejs.org/#eJxlj00Kg0AMha8SsnHTKt2KDhQv0ANkUzTFgfljJkpBvHsZhYK6fS+878uCzxDKeWKssUl91EEgsUxBkdM2+CjQjdoMnbfBO3YCn+gtFGV1jPNEQa6p9g1FjlwjbIN5CytyAM1pZ74n46UljNyznnl4RR8S4XYMsCxwKErhr8C6XoveTy43G+SkpbLSXwNveLXOjx9Fs9cukZkt4cjGeMI9qzdeS/jYk+rEWH9AQHet)
	</div>
	<div class="options-api">
	[Try it in the Playground](https://play.vuejs.org/#eJxlkMEKgzAMhl8l5LLLpuwqKoy9wB4gl6GRCTUtNYogffdRywbq9f+Tfl+64sO5bJ4YCyzHxvdOa5J+cNYrPD+9aZ92cFZYFDpvB7hk+T6OyxcSEl62pZa792QUVhKA5jc1FimAw6MxCySBpMz/eJJSeXDmrVzHgfIgMt9GY7Ui9NxwP3P78taNhHUirCvsikx5UQjhXDR2kthskMNddVT6a+AVz2fHP9uLRq8kEZkV4YeNsYQpKzZeRXhPSX5ghC8NDY0G)
	</div>