[FIX] web_editor: do to try to inline css for readonly html fields

closes odoo/odoo#35539

Signed-off-by: Christophe Simonis <chs@odoo.com>

addons/web_editor/static/src/js/backend/convert_inline.js

@@ -396,7 +396,7 @@ FieldHtml.include({
      * @override
      */
     commitChanges: function () {
-        if (this.nodeOptions['style-inline']) {
+        if (this.nodeOptions['style-inline'] && this.mode === "edit") {
             this._toInline();
         }
         return this._super();
@@ -452,7 +452,7 @@ FieldHtml.include({
      * @override
      */
     _onLoadWysiwyg: function () {
-        if (this.nodeOptions['style-inline']) {
+        if (this.nodeOptions['style-inline'] && this.mode === "edit") {
             this._fromInline();
         }
         this._super();