Update TextAttributes.cpp

Author: riteshshukla04

packages/react-native/ReactCommon/react/renderer/attributedstring/TextAttributes.cpp

@@ -19,7 +19,7 @@ namespace facebook::react {
 
 void TextAttributes::apply(TextAttributes textAttributes) {
   // Color
-  foregroundColor = textAttributes.foregroundColor
+  foregroundColor = (textAttributes.foregroundColor != NULL && std::is_integral<decltype(textAttributes.foregroundColor)>::value)
       ? textAttributes.foregroundColor
       : foregroundColor;
   backgroundColor = textAttributes.backgroundColor