[BUG] - && not displaying correctly in post

[Kevan-Y]

What happened:
Post with && wrapped in code tag turn to &amp&amp.

Post Link: https://telescope.cdot.systems/search/?text=Static%20Analysis%20tooling%20%F0%9F%9B%A0&filter=post

What should have happened:
&& should render correctly

Anything else we need to know?:
Related to this fix #2337.

The file causing this issue

telescope/src/backend/utils/html/syntax-highlight.js

Lines 43 to 59 in 0791570

	dom.window.document.querySelectorAll('pre code').forEach((code) => {
	const { value, language } = hljs.highlightAuto(code.innerHTML);
	// If the language wasn't detected, return the HTML untouched
	if (!language) {
	return;
	}
	// Otherwise, decorate the <pre> with class names for highlighting this language
	const pre = code.parentNode;
	if (pre) {
	pre.classList.add('hljs', language);
	}
	// Value from hljs.highlightAuto turn escape character to e.g &lt; to &amp;lt;
	// Adding regex to convert &amp; of that escape character back to &
	// Replace the contents with newly marked up syntax highlighting
	code.innerHTML = value.replace(/\&amp;([^;|^&]+);/gm, '&$1');

Sample of the data from the feed looks like this:

<pre class="highlight shell"><code>npx husky-init <span class="o">&amp;&amp;</span> npm <span class="nb">install\n</span>npm <span class="nb">install</span> <span class="nt">--save-dev</span> prettier pretty-quick\n</code></pre>

When passing to the hljs.highlightAuto
It becomes

npx husky<span class="hljs-operator">-</span>init <span class="hljs-operator">&amp;</span>amp;<span class="hljs-operator">&amp;</span>amp; npm install
    npm install <span class="hljs-comment">--save-dev prettier pretty-quick</span>

I think the regex fails for this case
Passing to the regex returns

npx husky<span class="hljs-operator">-</span>init <span class="hljs-operator">&</span>amp<span class="hljs-operator">&</span>amp npm install
    npm install <span class="hljs-comment">--save-dev prettier pretty-quick</span>

Environment:

• OS: Windows 11
• Browser: Chrome Version 94.0.4606.61

[Kevan-Y]

I'm gonna take this issue