fix: [IOPLT-000] Setup Android screen orientation based on OS version

android/app/src/main/AndroidManifest.xml

@@ -126,7 +126,7 @@
     <activity android:name="zendesk.messaging.MessagingActivity" android:theme="@style/ZendeskTheme" />
     <!-- END Zendesk -->
 
-    <activity android:name=".MainActivity" android:launchMode="singleTop" android:label="@string/app_name" android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode" android:windowSoftInputMode="adjustResize" android:exported="true" android:screenOrientation="portrait">
+    <activity android:name=".MainActivity" android:launchMode="singleTop" android:label="@string/app_name" android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode" android:windowSoftInputMode="adjustResize" android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />
         <category android:name="android.intent.category.LAUNCHER" />

android/app/src/main/java/it/pagopa/io/app/MainActivity.kt

@@ -30,6 +30,9 @@ class MainActivity : ReactActivity() {
 
   // https://github.com/crazycodeboy/react-native-splash-screen#third-stepplugin-configuration
     override fun onCreate(savedInstanceState: Bundle?) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+}
         SplashScreen.show(this, R.style.SplashScreenTheme);
         // This is needed for react-native-screens to solve the issue described here:
         // https://github.com/software-mansion/react-native-screens/issues/17#issuecomment-424704633