3530: Provide a help text on the empty conversations view (#3531)

Fixes #3530

app/src/main/java/com/keylesspalace/tusky/ListsActivity.kt

@@ -192,6 +192,7 @@ class ListsActivity : BaseActivity(), Injectable, HasAndroidInjector {
                         R.string.message_empty,
                         null
                     )
+                    binding.messageView.showHelp(R.string.help_empty_lists)
                 } else {
                     binding.messageView.hide()
                 }

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationsFragment.kt

@@ -134,6 +134,7 @@ class ConversationsFragment :
                         if (loadState.append is LoadState.NotLoading && loadState.source.refresh is LoadState.NotLoading) {
                             binding.statusView.show()
                             binding.statusView.setup(R.drawable.elephant_friend_empty, R.string.message_empty, null)
+                            binding.statusView.showHelp(R.string.help_empty_conversations)
                         }
                     }
                     is LoadState.Error -> {

app/src/main/java/com/keylesspalace/tusky/view/BackgroundMessageView.kt

@@ -61,6 +61,7 @@ class BackgroundMessageView @JvmOverloads constructor(
         binding.imageView.setImageResource(imageRes)
         binding.button.setOnClickListener(clickListener)
         binding.button.visible(clickListener != null)
+        binding.helpText.visible(false)
     }
 
     fun showHelp(@StringRes helpRes: Int) {