On the line chart of google analytics account, we have a tooltip with
lines ({date}
sessions: {number of session}) overlapping and going
outside of the modal width.
This does not happen on google examples, the only fix found is to
display the tooltip in HTML instead of SVG.
opw-1961605
closes #32285
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>