Notice: Undefined variable: clientId

[Quy]

Steps to reproduce the issue

Edit an article.
Click Module button in the editor.

Expected result

No notice.

Actual result

Notice: Undefined variable: clientId in C:\xampp\htdocs\joomla-cms\administrator\components\com_modules\models\modules.php on line 115

System information (as much as possible)

3.8.rc2

[joomla-cms-bot]

Set to "closed" on behalf of @franz-wohlkoenig by The JTracker Application at issues.joomla.org/joomla-cms/17982

[ghost]

closed as having Pull Request #17983

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/17982.}