bug #30037 Disable Twig in the profiler menu when Twig is not used (j…

…aviereguiluz)

This PR was merged into the 3.4 branch.

Discussion
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Disable Twig in the profiler menu when Twig is not used

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | #30033
| License       | MIT
| Doc PR        | -

Commits
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b474081 Disable Twig in the profiler menu when Twig is not used

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/twig.html.twig

@@ -31,7 +31,7 @@
 {% endblock %}
 
 {% block menu %}
-    <span class="label">
+    <span class="label {{ 0 == collector.templateCount ? 'disabled' }}">
         <span class="icon">{{ include('@WebProfiler/Icon/twig.svg') }}</span>
         <strong>Twig</strong>
     </span>