Back out "Use component.className instead of NSStringFromClass"

Summary:
Original diff broke OSS flipper. Need a new OSS release of CK first

Original commit changeset: 3e7564b25610

Reviewed By: kfirapps

Differential Revision: D20304743

fbshipit-source-id: 08a56359a42bc56b576d212e7cf642197a064076

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)",
-                                      self.className,
+                                      NSStringFromClass([self class]),
                                       (unsigned long)canBeReusedCounter];
   }
-  return self.className;
+  return NSStringFromClass([self class]);
 }
 
 - (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
-                                 ? layout.component.className
+                                 ? NSStringFromClass([layout.component class])
                                  : @"(null)"];
 
     if (_component && reuseWrapper) {