Use kotlin.time extensions in some more places

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -78,6 +78,7 @@ import logcat.LogPriority
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
+import kotlin.time.Duration.Companion.seconds
 
 class MainActivity : BaseActivity() {
 
@@ -550,7 +551,7 @@ class MainActivity : BaseActivity() {
     private suspend fun resetExitConfirmation() {
         isConfirmingExit = true
         val toast = toast(R.string.confirm_exit, Toast.LENGTH_LONG)
-        delay(2000)
+        delay(2.seconds)
         toast.cancel()
         isConfirmingExit = false
     }