3469: Do not jump in the list on the (second) refresh (#3471)

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

@@ -178,8 +178,12 @@ class ViewThreadFragment :
                         threadProgressBar = getProgressBarJob(binding.threadProgressBar, 500)
                         threadProgressBar.start()
 
+                        if (viewModel.isInitialLoad) {
                             adapter.submitList(listOf(uiState.statusViewDatum))
 
+                            // else this "submit one and then all on success below" will always center on the one
+                        }
+
                         revealButtonState = uiState.revealButton
                         binding.swipeRefreshLayout.isRefreshing = false