Courseware: PDF-Export exportiert "unsichtbare" Blöcke

Closes #3726

Merge request studip/studip!3316

templates/courseware/container_types/accordion_container.php

@@ -2,7 +2,7 @@
     <h4><?= htmlReady($section['name']) ?></h4>
     <? foreach ($section['blocks'] as $block_id): ?>
         <? $block = $container->blocks->find($block_id); ?>
-        <? if ($block): ?>
+        <? if ($block && $block->visible): ?>
             <? $block_html_template = $block->type->getPdfHtmlTemplate(); ?>
             <? if ($block_html_template): ?>
                 <?= $block_html_template->render(); ?>

templates/courseware/container_types/list_container.php

 <? foreach ($payload['sections'][0]['blocks'] as $block_id): ?>
     <? $block = $container->blocks->find($block_id); ?>
-    <? if ($block): ?>
+    <? if ($block && $block->visible): ?>
         <? $block_html_template = $block->type->getPdfHtmlTemplate(); ?>
         <? if ($block_html_template): ?>
             <?= $block_html_template->render(); ?>

templates/courseware/container_types/tabs_container.php

@@ -2,7 +2,7 @@
     <h4><?= htmlReady($section['name']) ?></h4>
     <? foreach ($section['blocks'] as $block_id): ?>
         <? $block = $container->blocks->find($block_id); ?>
-        <? if ($block): ?>
+        <? if ($block && $block->visible): ?>
             <? $block_html_template = $block->type->getPdfHtmlTemplate(); ?>
             <? if ($block_html_template): ?>
                 <?= $block_html_template->render(); ?>