Fix SearchView closing on back pressed (close #1532, close #1487)

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -131,7 +131,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>(), AppBarOwner, BottomNav
 		onBackPressedDispatcher.addCallback(exitCallback)
 		onBackPressedDispatcher.addCallback(navigationDelegate)
 
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU || !resources.getBoolean(R.bool.is_predictive_back_enabled)) {
 			val legacySearchCallback = SearchViewLegacyBackCallback(viewBinding.searchView)
 			viewBinding.searchView.addTransitionListener(legacySearchCallback)
 			onBackPressedDispatcher.addCallback(legacySearchCallback)

app/src/main/res/values-v33/bools.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 	<bool name="com_samsung_android_icon_container_has_icon_container">false</bool>
+	<bool name="is_predictive_back_enabled">true</bool>
 </resources>