Use component.className instead of NSStringFromClass

Summary: Use `component.className` in sonar for the layout inspector.

Reviewed By: kfirapps

Differential Revision: D20184486

fbshipit-source-id: 3e7564b2561016ee59f3b1fc9d21313e068bacb3

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/CKComponent+Sonar.mm

@@ -109,10 +109,10 @@ static CK::StaticMutex _mutex = CK_MUTEX_INITIALIZER;
   auto const canBeReusedCounter = self.flipper_canBeReusedCounter;
   if (canBeReusedCounter > 0) {
     return [NSString stringWithFormat:@"%@ (Can be reused x%lu)",
-                                      NSStringFromClass([self class]),
+                                      self.className,
                                       (unsigned long)canBeReusedCounter];
   }
-  return NSStringFromClass([self class]);
+  return self.className;
 }
 
 - (NSString*)sonar_getDecoration {

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/SKComponentLayoutWrapper.mm

@@ -98,7 +98,7 @@ static CKFlexboxComponentChild findFlexboxLayoutParams(
     _size = layout.size;
     _position = position;
     _identifier = [parentKey stringByAppendingString:layout.component
-                                 ? NSStringFromClass([layout.component class])
+                                 ? layout.component.className
                                  : @"(null)"];
 
     if (_component && reuseWrapper) {