When joining a room, the message composer should be visible once the room loads (#7510)

changelog.d/7509.bugfix

@@ -0,0 +1 @@
+When joining a room, the message composer is displayed once the room is loaded.

vector/src/main/java/im/vector/app/features/home/room/detail/TimelineFragment.kt

@@ -1169,6 +1169,9 @@ class TimelineFragment :
             lazyLoadedViews.inviteView(false)?.isVisible = false
 
             if (mainState.tombstoneEvent == null) {
+                views.composerContainer.isInvisible = !messageComposerState.isComposerVisible
+                views.voiceMessageRecorderContainer.isVisible = messageComposerState.isVoiceMessageRecorderVisible
+
                 when (messageComposerState.canSendMessage) {
                     CanSendStatus.Allowed -> {
                         NotificationAreaView.State.Hidden
@@ -1224,6 +1227,7 @@ class TimelineFragment :
 
     private fun FragmentTimelineBinding.hideComposerViews() {
         composerContainer.isVisible = false
+        voiceMessageRecorderContainer.isVisible = false
     }
 
     private fun renderTypingMessageNotification(roomSummary: RoomSummary?, state: RoomDetailViewState) {