Fix empty state + cleaning + changelog

CHANGES.md

@@ -14,6 +14,7 @@ Improvements 🙌:
  - Update reactions to Unicode 13.1 (#2998)
  - Be more robust when parsing some enums
  - Improve timeline filtering (dissociate membership and profile events, display hidden events when highlighted, fix hidden item/read receipts behavior)
+ - Room list improvements (paging)
 
 Bugfix 🐛:
  - Fix bad theme change for the MainActivity

vector/src/main/java/im/vector/app/features/home/room/list/RoomListFragment.kt

@@ -249,7 +249,7 @@ class RoomListFragment @Inject constructor(
             val contentAdapter = pagedControllerFactory.createRoomSummaryPagedController().also {
                 section.livePages.observe(viewLifecycleOwner) { pl ->
                     it.submitList(pl)
-                    sectionAdapter.updateSection(sectionAdapter.section.copy(isHidden = pl.isEmpty() || hasOnlyOneSection))
+                    sectionAdapter.updateSection(sectionAdapter.section.copy(isHidden = pl.isEmpty()))
                     checkEmptyState()
                 }
                 section.notificationCount.observe(viewLifecycleOwner) { counts ->

vector/src/main/java/im/vector/app/features/home/room/list/SectionHeaderAdapter.kt

@@ -64,7 +64,7 @@ class SectionHeaderAdapter constructor(
         holder.bind(section)
     }
 
-    override fun getItemCount(): Int = 1.takeIf { section.isHidden.not() } ?: 0
+    override fun getItemCount(): Int = if (section.isHidden) 0 else 1
 
     class VH constructor(
             private val binding: ItemRoomCategoryBinding,