chore: Readd landscape orientations to FabricExample plist (#3669)

## Description

This PR adds allowed screen orientations to iPhone that were removed
react-native-community/template#183. The fix has
been submitted in
react-native-community/template#207, but it
won't be available for some time.

## Changes

Updated Info.plist for FabricExample.

## Test plan

Build the app; see if rotating the screen works.

## Checklist

- [ ] Ensured that CI passes

Author: kmichalikk

FabricExample/ios/FabricExample/Info.plist

@@ -46,6 +46,8 @@
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>