[FIX] web_editor: keep inline editor line spacing

opw-657955

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

@@ -97,8 +97,8 @@ var FieldTextHtmlSimple = widget.extend({
         if (value.match(/^\s*$/)) {
             value = '<p><br/></p>';
         } else {
-            value = "<p>"+value.split(/<br\/?>/).join("</p><p>")+"</p>";
-            value = value.replace('<p><p>', '<p>').replace('</p></p>', '</p>');
+            value = "<p>"+value.split(/<br\/?>/).join("<br/></p><p>")+"</p>";
+            value = value.replace(/<p><\/p>/g, '').replace('<p><p>', '<p>').replace('</p></p>', '</p>');
         }
         return value;
     },