Fix crash on cold launch

app/build.gradle

@@ -15,8 +15,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 33
-		versionCode 509
-		versionName '4.2'
+		versionCode 510
+		versionName '4.2.1'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 

app/src/main/java/org/koitharu/kotatsu/main/ui/MainNavigationDelegate.kt

@@ -46,7 +46,10 @@ class MainNavigationDelegate(
 	fun onCreate(savedInstanceState: Bundle?) {
 		primaryFragment?.let {
 			onFragmentChanged(it, fromUser = false)
-			navBar.selectedItemId = getItemId(it)
+			val itemId = getItemId(it)
+			if (navBar.selectedItemId != itemId) {
+				navBar.selectedItemId = itemId
+			}
 		} ?: onNavigationItemSelected(navBar.selectedItemId)
 	}