TF-287 Fix bug replies do not preserve line breaks

lib/features/composer/presentation/composer_controller.dart

@@ -292,7 +292,7 @@ class ComposerController extends BaseController {
       : '';
 
     final trustAsHtml = arguments.emailContents
-      ?.map((emailContent) => emailContent.content)
+      ?.map((emailContent) => emailContent.asHtml)
       .toList()
       .join('<br>') ?? '';
 

model/lib/email/email_content.dart

@@ -12,4 +12,19 @@ class EmailContent with EquatableMixin {
 
   @override
   List<Object?> get props => [type, content];
+}
+
+extension EmailContentExtension on EmailContent {
+  String get asHtml {
+    if (type == EmailContentType.textPlain) {
+      return content
+          .replaceAll("'", r"\'")
+          .replaceAll('"', r'\"')
+          .replaceAll('\r', '')
+          .replaceAll('\r\n', '')
+          .replaceAll('\n', '<br/>')
+          .replaceAll('\n\n', '<br/>');
+    }
+    return content;
+  }
 }