Checkboxes are always using the default value when submitting via UI
>>> [!note] Migrated issue
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<!-- Migrated from issue #3322472. -->
Reported by: [mxh](https://www.drupal.org/user/1124384)
Related to !253
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>When configuring plugins via UI with a modeller, submitting the configuration form does not respect any checkbox value.<br>
Steps to reproduce:</p>
<p>- Create an action plugin that has a checkbox that is default set to be TRUE<br>
- Change checkbox be FALSE<br>
- Submit configuration, export configuration and inspect the eca.eca.* file. You should see that the checkbox value is not set to FALSE.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<p>Fix the bug. Not sure what's the cause ATM. Something during form building on the RuntimePluginForm converts back to TRUE, event if it's set to FALSE.</p>
<h3 id="summary-ui-changes">User interface changes</h3>
<h3 id="summary-api-changes">API changes</h3>
<h3 id="summary-data-model-changes">Data model changes</h3>
issue