Improve updates page UI + fix empty updates on refresh

app/src/main/java/com/aurora/store/view/epoxy/views/app/AppUpdateView.kt

@@ -84,14 +84,14 @@ class AppUpdateView @JvmOverloads constructor(
                 context.getString(R.string.details_changelog_unavailable)
 
             binding.headerIndicator.setOnClickListener {
-                if (binding.txtChangelog.isVisible) {
+                if (binding.cardChangelog.isVisible) {
                     binding.headerIndicator.icon =
                         ContextCompat.getDrawable(context, R.drawable.ic_arrow_down)
-                    binding.txtChangelog.visibility = View.GONE
+                    binding.cardChangelog.visibility = View.GONE
                 } else {
                     binding.headerIndicator.icon =
                         ContextCompat.getDrawable(context, R.drawable.ic_arrow_up)
-                    binding.txtChangelog.visibility = View.VISIBLE
+                    binding.cardChangelog.visibility = View.VISIBLE
                 }
             }
         }

app/src/main/java/com/aurora/store/view/ui/updates/UpdatesFragment.kt

@@ -109,8 +109,6 @@ class UpdatesFragment : BaseFragment<FragmentUpdatesBinding>() {
             viewModel.fetchingUpdates.collect {
                 binding.swipeRefreshLayout.isRefreshing = it
                 if (it && viewModel.updates.value.isNullOrEmpty()) {
-                    updateController(null)
-                } else {
                     updateController(emptyMap())
                 }
             }