Only hide replaced rooms if we're joined to the replacement room

src/models/roomlistmodel.cpp

@@ -368,6 +368,9 @@ QVariant RoomListModel::data(const QModelIndex &index, int role) const
     if (role == IsChildSpaceRole) {
         return SpaceHierarchyCache::instance().isChildSpace(room->id());
     }
+    if (role == ReplacementIdRole) {
+        return room->successorId();
+    }
 
     return QVariant();
 }

src/models/roomlistmodel.h

@@ -79,6 +79,7 @@ public:
         RoomIdRole, /**< The room matrix ID. */
         IsSpaceRole, /**< Whether the room is a space. */
         IsChildSpaceRole, /**< Whether this space is a child of a different space. */
+        ReplacementIdRole, /**< The room id of the room replacing this one, if any. */
     };
     Q_ENUM(EventRoles)
 

src/models/sortfilterroomlistmodel.cpp

@@ -3,6 +3,7 @@
 
 #include "sortfilterroomlistmodel.h"
 
+#include "neochatconnection.h"
 #include "roomlistmodel.h"
 #include "spacehierarchycache.h"
 
@@ -78,9 +79,15 @@ bool SortFilterRoomListModel::filterAcceptsRow(int source_row, const QModelIndex
 {
     Q_UNUSED(source_parent);
 
+    if (sourceModel()->data(sourceModel()->index(source_row, 0), RoomListModel::JoinStateRole).toString() == QStringLiteral("upgraded")
+        && dynamic_cast<RoomListModel *>(sourceModel())
+               ->connection()
+               ->room(sourceModel()->data(sourceModel()->index(source_row, 0), RoomListModel::ReplacementIdRole).toString())) {
+        return false;
+    }
+
     bool acceptRoom =
         sourceModel()->data(sourceModel()->index(source_row, 0), RoomListModel::DisplayNameRole).toString().contains(m_filterText, Qt::CaseInsensitive)
-        && sourceModel()->data(sourceModel()->index(source_row, 0), RoomListModel::JoinStateRole).toString() != QStringLiteral("upgraded")
         && sourceModel()->data(sourceModel()->index(source_row, 0), RoomListModel::IsSpaceRole).toBool() == false;
 
     if (m_activeSpaceId.isEmpty()) {