Fix potential race and crash when deleting a call link.

Author: alex-signal

app/src/main/java/org/thoughtcrime/securesms/calls/links/details/CallLinkDetailsActivity.kt

@@ -65,6 +65,10 @@ class CallLinkDetailsActivity : FragmentActivity() {
           }.show(supportFragmentManager, null)
         }
 
+        is MainNavigationDetailLocation.Empty -> {
+          finishAfterTransition()
+        }
+
         else -> error("Unsupported route $location")
       }
     }

app/src/main/java/org/thoughtcrime/securesms/calls/links/details/CallLinkDetailsScreen.kt

@@ -46,7 +46,6 @@ import org.thoughtcrime.securesms.calls.links.CallLinks
 import org.thoughtcrime.securesms.calls.links.SignalCallRow
 import org.thoughtcrime.securesms.database.CallLinkTable
 import org.thoughtcrime.securesms.main.MainNavigationDetailLocation
-import org.thoughtcrime.securesms.main.MainNavigationListLocation
 import org.thoughtcrime.securesms.main.MainNavigationRouter
 import org.thoughtcrime.securesms.main.MainNavigationViewModel
 import org.thoughtcrime.securesms.recipients.RecipientId
@@ -154,7 +153,6 @@ class DefaultCallLinkDetailsCallback(
     viewModel.setDisplayRevocationDialog(false)
     activity.lifecycleScope.launch {
       if (viewModel.delete()) {
-        router.goTo(MainNavigationListLocation.CALLS)
         router.goTo(MainNavigationDetailLocation.Empty)
       }
     }