bug #28469 [Form][TwigBridge] fix not displaying labels when value is false (xabbuh)

This PR was merged into the 4.1 branch.

Discussion
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[Form][TwigBridge] fix not displaying labels when value is false

| Q             | A
| ------------- | ---
| Branch?       | 4.1
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #28198
| License       | MIT
| Doc PR        |

Commits
-------

c4a6c9fa00 fix not displaying labels when value is false

Author: nicolas-grekas

Resources/views/Form/bootstrap_base_layout.html.twig

@@ -64,11 +64,13 @@
         {%- if datetime is not defined or not datetime -%}
             <div {{ block('widget_container_attributes') -}}>
         {%- endif %}
+        {%- if label is not same as(false) -%}
             <div class="sr-only">
                 {{ form_label(form.year) }}
                 {{ form_label(form.month) }}
                 {{ form_label(form.day) }}
             </div>
+        {%- endif -%}
 
             {{- date_pattern|replace({
                 '{{ year }}': form_widget(form.year),
@@ -89,10 +91,10 @@
         {%- if datetime is not defined or false == datetime -%}
             <div {{ block('widget_container_attributes') -}}>
         {%- endif -%}
-        <div class="sr-only">{{ form_label(form.hour) }}</div>
+        {%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.hour) }}</div>{%- endif -%}
         {{- form_widget(form.hour) -}}
-        {%- if with_minutes -%}:<div class="sr-only">{{ form_label(form.minute) }}</div>{{ form_widget(form.minute) }}{%- endif -%}
-        {%- if with_seconds -%}:<div class="sr-only">{{ form_label(form.second) }}</div>{{ form_widget(form.second) }}{%- endif -%}
+        {%- if with_minutes -%}:{%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.minute) }}</div>{%- endif -%}{{ form_widget(form.minute) }}{%- endif -%}
+        {%- if with_seconds -%}:{%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.second) }}</div>{%- endif -%}{{ form_widget(form.second) }}{%- endif -%}
         {%- if datetime is not defined or false == datetime -%}
             </div>
         {%- endif -%}