Remove app title after user authenticates

app/src/main/java/gq/kirmanak/mealient/ui/disclaimer/DisclaimerFragment.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
@@ -66,6 +67,8 @@ class DisclaimerFragment : Fragment() {
             binding.okay.isClickable = it == 0
         }
         viewModel.startCountDown()
+        (requireActivity() as? AppCompatActivity)?.supportActionBar?.title =
+            getString(R.string.app_name)
     }
 
     override fun onDestroyView() {