Implement writingDirection property for Text for fabric

[jonthysell]

Implement the writingDirection property for the fabric implementation of Text.

This property was available in RNW Paper via TextViewManager.

See https://reactnative.dev/docs/text-style-props#writingdirection-ios for details.

[vineethkuttan]

There is a bug in react native side, once it is fixed and changes integrated, we can implement this change

PR for the bug fix

Changes required for RNW: In the below file react-native-windows\vnext\Microsoft.ReactNative\Fabric\platform\react\renderer\textlayoutmanager\TextLayoutManager.cpp

Inside the GetTextLayout(), set SetReadingDirection by using the value of baseWritingDirection from textAttributes.