Replace text fields to html fields as we have our own 'OdooEditor'.
Indeed, it gives more options to users in the way they format their
content without weighting too much on the UI
(tools appear on demand and not by default).
Models -> Fields
1) slide.channel -> description
2) slide.channel -> description_short
3) slide.slide -> description
Task Id: 2499504
X-original-commit: 6d914c005183aa5ae69650e3002a5a85ca83b4a6
dht-odoo
b8fb33817b