Displaying identifier for root views

Summary: Adding the new "Identity" section to CK root views' description.

Reviewed By: cuva

Differential Revision: D19948784

fbshipit-source-id: f5e7fe51afd387a476f6500db32b8b5149594007

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/SKComponentRootViewDescriptor.mm

@@ -17,6 +17,7 @@
 #import <ComponentKit/CKComponentRootViewInternal.h>
 
 #import <FlipperKitLayoutPlugin/SKDescriptorMapper.h>
+#import <FlipperKitLayoutPlugin/SKObject.h>
 
 #import "SKComponentLayoutWrapper.h"
 
@@ -39,6 +40,15 @@
                       stringWithFormat:@"%d.", attachState.scopeIdentifier]];
 }
 
+- (NSArray<SKNamed<NSDictionary*>*>*)dataForNode:(CKComponentRootView*)node {
+  auto const attachState = CKGetAttachStateForView(node);
+  return @[ [SKNamed
+      newWithName:@"Identity"
+        withValue:@{
+          @"scopeRootIdentifier" : SKObject{@(attachState.scopeIdentifier)}
+        }] ];
+}
+
 - (void)setHighlighted:(BOOL)highlighted forNode:(CKComponentRootView*)node {
   SKNodeDescriptor* viewDescriptor = [self descriptorForClass:[UIView class]];
   [viewDescriptor setHighlighted:highlighted forNode:node];