Pull Request for Issue #23584

Summary of Changes

The variable $hasContent lets display an editor text when editing a module of the type mod_custom or similar

Although the variable works in back-end for all modules where the manifest contains <customContent />, it does not work in frontend when editing a module which contains the same element in its manifest.

The code that makes it works in back-end is in the
/administrator/components/com_modules/views/module/tmpl/edit.php line 24
$hasContent = empty($this->item->module) || isset($this->item->xml->customContent);

In frontend in the file
/components/com_config/view/modules/tmpl/default.php
we have
$hasContent = empty($this->item['module']) || $this->item['module'] === 'custom' || $this->item['module'] === 'mod_custom';
Which means that not all modules which contains <customContent /> in their manifest will display the text editor when edited in frontend.

To solve this issue we have to fetch the manifest of the edited module and check if the element exists in the manifest, same behavior as in back-end.

Therefore this is a BUG and this PR is not a new Feature.

Testing Instructions

Install the following module, enter some text in the editor field in backend and display it in frontend.
mod_customadv.zip

Set Global Config to let edit Modules in frontend. Login and edit the module.

Before patch

The editor will not display. It should be below the Options and Advanced parameters.

After patch

Issue solved. Editor displays.

@mino182