TF-2948 Apply new identity view for web

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

core/lib/presentation/utils/html_transformer/transform_configuration.dart

@@ -92,6 +92,16 @@ class TransformConfiguration {
     const RemoveMaxWidthInImageStyleTransformer(),
   ]);
 
+   factory TransformConfiguration.forSignatureIdentity() => TransformConfiguration.create(
+     customDomTransformers: [
+       const RemoveScriptTransformer(),
+       const BlockQuotedTransformer(),
+       const BlockCodeTransformer(),
+       SanitizeHyperLinkTagInHtmlTransformer(useTooltip: PlatformInfo.isWeb),
+       const ImageTransformer(),
+     ],
+   );
+
   /// Provides easy access to a standard configuration that does not block external images.
   static TransformConfiguration standardConfiguration = TransformConfiguration(
     standardDomTransformers,