HomeScreen: Add static key for TabNavigator (#10191)

Fixes incorrect tab selection after process death

(cherry picked from commit 8ff2c01bf28d9d645796b7e616d3ab5c6f85a86c)

app/src/main/java/eu/kanade/tachiyomi/ui/home/HomeScreen.kt

@@ -70,6 +70,7 @@ object HomeScreen : Screen() {
     private val showBottomNavEvent = Channel<Boolean>()
 
     private const val TabFadeDuration = 200
+    private const val TabNavigatorKey = "HomeTabs"
 
     private val tabs = listOf(
         LibraryTab,
@@ -90,6 +91,7 @@ object HomeScreen : Screen() {
         // SY <--
         TabNavigator(
             tab = LibraryTab,
+            key = TabNavigatorKey,
         ) { tabNavigator ->
             // Provide usable navigator to content screen
             CompositionLocalProvider(LocalNavigator provides navigator) {