Use `singleTop` launchMode for `SDLActivity` on `Android`

android-project/app/src/main/AndroidManifest.xml

@@ -72,7 +72,7 @@
         <activity android:name="SDLActivity"
             android:label="@string/app_name"
             android:alwaysRetainTaskState="true"
-            android:launchMode="singleInstance"
+            android:launchMode="singleTop"
             android:configChanges="layoutDirection|locale|orientation|uiMode|screenLayout|screenSize|smallestScreenSize|keyboard|keyboardHidden|navigation"
             android:preferMinimalPostProcessing="true"
             android:exported="true"