Merge pull request #419 from Tecnativa/9.0-web_translate_dialog

[FIX][web_translate_dialog] Add codeview button to translate HTML fields

web_translate_dialog/static/src/js/web_translate_dialog.js

@@ -95,6 +95,7 @@ var translateDialog = Dialog.extend({
                         ['para', ['ul', 'ol', 'paragraph']],
                         ['table', ['table']],
                         ['insert', ['link', 'picture']],
+                        ['misc', ['codeview']],
                         ['history', ['undo', 'redo']]
                     ],
                     'prettifyHtml': false,