fix(item): Foating label with initial value (#2997)
fix(item): Foating label with initial value (#2997)

* fix(item): Foating label has incorrect styles when rendering an input with an initial value #2895

* use setState inside an effect function

GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase