Fix fromRawValue(EdgeInsets) from single float case falling through to float array
Fix fromRawValue(EdgeInsets) from single float case falling through to float array

Summary:
If `value` is of type `float`, it will still fall through to the `react_native_assert` below, exploding. The `map` type is handled correctly.

Changelog: [Internal][Fixed] Fix fromRawValue(EdgeInsets) from single float case falling through to float array and exploding

Reviewed By: javache

Differential Revision: D32648848

fbshipit-source-id: e70cddd291a8f52d6ee3de5fef11b0bb7aee92cd

javache/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,facebook/react-native,facebook/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native