Pull Request for Issue #46320

Summary of Changes

This update improves the Joomla CMS TinyMCE editor plugin configuration and behavior consistency so the editor will respect the settings in the plugin configuration. The following changes have been implemented:

• Removed editor width on Joomla installation so the editor width now defaults to 100% automatically.
• Set default height to 550px in both the plugin configuration and database during installation for consistent initialization.
• Ensured the editor respects configuration values, making sure width and height are applied according to the settings defined in the plugin parameters.
• Adjusted the editor’s z-index to ensure it properly overlaps the settings panel on the right side when editing articles, preventing visual clipping or overlap issues.
• Added a missing description to the editor plugin configuration for better clarity and documentation within the administrator interface.

Testing Instructions

1. Install Joomla and verify that in the TinyMCE plugin configuration:

• The width field is empty (so it defaults to 100%).
• The height is set to 550px.
• Build the SCSS via: npm run build:css

2. Change the editor width to 90vw in the TinyMCE plugin settings.

• Open an article for editing and confirm that the editor overlaps the settings panel on the right side.
• Use the resize grip at the bottom of the editor to verify that it correctly overlays the side panel.

3. Change the editor height to 1000px.

• Open an article and confirm that the editor now renders with a height of 1000px.

4. Check the descriptions in the TinyMCE plugin settings and verify that all fields display proper descriptions.

Actual result BEFORE applying this Pull Request

• The editor ignores width and height configuration values and always reverts to default settings.
• The editor appears underneath the right-side settings panel when adjusting its width.

Expected result AFTER applying this Pull Request

• The editor respects width and height values set in the plugin configuration.
• The editor correctly overlaps the right-side settings panel when its width is adjusted.
• All configuration field descriptions are visible and accurate.

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed