minor #42010 Improve usage of twig ternary (Seb33300)

This PR was merged into the 4.4 branch.

Discussion
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Improve usage of twig ternary

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | none
| License       | MIT
| Doc PR        | none

Remove useless `else` condition when using twig ternary:

> `{{ foo ? 'yes' }}` is the same as `{{ foo ? 'yes' : '' }}`

See: https://twig.symfony.com/doc/3.x/templates.html#other-operators

Commits
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4be962d323 Improve usage of twig ternary

Resources/views/Collector/security.html.twig

@@ -5,9 +5,9 @@
 {% block toolbar %}
     {% if collector.token %}
         {% set is_authenticated = collector.enabled and collector.authenticated  %}
-        {% set color_code = is_authenticated ? '' : 'yellow' %}
+        {% set color_code = not is_authenticated ? 'yellow' %}
     {% else %}
-        {% set color_code = collector.enabled ? 'red' : '' %}
+        {% set color_code = collector.enabled ? 'red' %}
     {% endif %}
 
     {% set icon %}