[FIX] Markdown syntax: show missing plugin on click event on the plugin on the edit mode.

Boss Ibrahim Mussa Gregoirerequested to merge
bim-g/tiki:markdown_conversion_trackerplugin_edit into master

While double click on a plugin on WYSIWYG mode it open the modal and some errors for any syntax that's expected to display any plugin's modal. Screen Recording Related task

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