Chart.js macro content is not rendered after an inplace edition

Reproduction steps:

• Open an existing document
• Edit it place
• Insert a chartjs macro (for instance, https://extensions.xwiki.org/xwiki/bin/view/Extension/Chart.js%20Integration/#HExamples)
• Click save and view

Expected result:

• The chartjs macro is rendered

Actual result:

• The chartjs macros is not rendered

Note: a soft refresh of the page allow for a correct display.

Note: an alternative scenario is to open a page, edit it in place, and save.

Note: The affect version needs to be refined