Fix appear save draft dialog when reload editing composer

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

lib/features/email/data/datasource/html_datasource.dart

@@ -23,4 +23,6 @@ abstract class HtmlDataSource {
   });
 
   Future<String> removeCollapsedExpandedSignatureEffect({required String emailContent});
+
+  Future<String> removeStyleLazyLoadDisplayInlineImages({required String emailContent});
 }

lib/features/email/data/datasource_impl/html_datasource_impl.dart

@@ -62,4 +62,13 @@ class HtmlDataSourceImpl extends HtmlDataSource {
       );
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<String> removeStyleLazyLoadDisplayInlineImages({required String emailContent}) {
+    return Future.sync(() async {
+      return await _htmlAnalyzer.removeStyleLazyLoadDisplayInlineImages(
+        emailContent: emailContent,
+      );
+    }).catchError(_exceptionThrower.throwException);
+  }
 }

lib/features/email/data/local/html_analyzer.dart

@@ -237,4 +237,30 @@ class HtmlAnalyzer {
       return null;
     }
   }
+
+  Future<String> removeStyleLazyLoadDisplayInlineImages({required String emailContent}) async {
+    try {
+      final document = parse(emailContent);
+      final imgElements = document.querySelectorAll('img[style], img[loading]');
+      await Future.wait(imgElements.map((img) async {
+        String? style = img.attributes['style'];
+        if (style != null) {
+          style = style.replaceAll(RegExp(r'display\s*:\s*inline;?'), '').trim();
+          if (style.isEmpty) {
+            img.attributes.remove('style');
+          } else {
+            img.attributes['style'] = style;
+          }
+        }
+
+        if (img.attributes['loading'] == 'lazy') {
+          img.attributes.remove('loading');
+        }
+      }));
+      return document.body?.innerHtml ?? emailContent;
+    } catch (e) {
+      logError('HtmlAnalyzer::removeStyleLazyLoadDisplayInlineImages:Exception = $e');
+      return emailContent;
+    }
+  }
 }