Hot fix after some reload minimized composer should be lost body

Signed-off-by: dab246 <tdvu@linagora.com>

core/lib/presentation/utils/html_transformer/dom/hide_draft_signature_transformer.dart

@@ -19,6 +19,8 @@ class HideDraftSignatureTransformer extends DomTransformer {
       final currentStyle = signature.attributes['style']?.trim();
       if (currentStyle == null) {
         signature.attributes['style'] = 'display: none;';
+      } else if (currentStyle.contains('display: block;') == true) {
+        signature.attributes['style'] = currentStyle.replaceFirst('display: block;', 'display: none;');
       } else if (currentStyle.endsWith(';')) {
         signature.attributes['style'] = '$currentStyle display: none;';
       } else {

core/lib/utils/string_convert.dart

@@ -3,6 +3,7 @@ import 'dart:typed_data';
 
 import 'package:core/utils/app_logger.dart';
 import 'package:core/domain/exceptions/string_exception.dart';
+import 'package:html/parser.dart';
 import 'package:http_parser/http_parser.dart';
 
 class StringConvert {
@@ -107,4 +108,16 @@ class StringConvert {
       return null;
     }
   }
+
+  static String getContentOriginal(String content) {
+    try {
+      final emailDocument = parse(content);
+      final contentOriginal = emailDocument.body?.innerHtml ?? content;
+      log('StringConvert::getContentOriginal:contentOriginal = $contentOriginal');
+      return contentOriginal;
+    } catch (e) {
+      logError('StringConvert::getContentOriginal:Exception = $e');
+      return content;
+    }
+  }
 }