Fix crash in ViewThreadFragment.removeItem (#3622)

app/src/main/java/com/keylesspalace/tusky/components/viewthread/ViewThreadFragment.kt

@@ -416,7 +416,7 @@ class ViewThreadFragment :
     }
 
     public override fun removeItem(position: Int) {
-        val status = adapter.currentList[position]
+        adapter.currentList.getOrNull(position)?.let { status ->
             if (status.isDetailed) {
                 // the main status we are viewing is being removed, finish the activity
                 activity?.finish()
@@ -424,6 +424,7 @@ class ViewThreadFragment :
             }
             viewModel.removeStatus(status)
         }
+    }
 
     override fun onVoteInPoll(position: Int, choices: List<Int>) {
         val status = adapter.currentList[position]