bug symfony#52979 [WebProfilerBundle] Fix "Copy as cURL" dark style (HypeMC)

This PR was merged into the 6.4 branch.

Discussion
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[WebProfilerBundle] Fix "Copy as cURL" dark style

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix symfony#52937 (comment)
| License       | MIT

Followup to symfony#52937, addresses `@javiereguiluz`'s comment.

The button no longer changes color when using the dark theme:
![dark](https://github.com/symfony/symfony/assets/2445045/dc1dc267-a541-4ab7-8be9-db152d48dc12)

Nothing changed when using the light theme:
![light](https://github.com/symfony/symfony/assets/2445045/13a60002-d02e-42e9-8e08-e967bae4ef6e)

Commits
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e4f47f2 [WebProfilerBundle] Fix "Copy as cURL" dark style

Author: nicolas-grekas

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig

@@ -186,12 +186,10 @@
 
                     copyToClipboardElement.textContent = `✅ Copied!`;
                     copyToClipboardElement.disabled = true;
-                    copyToClipboardElement.classList.add('status-success');
 
                     setTimeout(() => {
                         copyToClipboardElement.textContent = oldContent;
                         copyToClipboardElement.disabled = false;
-                        copyToClipboardElement.classList.remove('status-success');
                     }, 7000);
                 });
             });