Try to invalidate whole PartitionModel on replace.

src/modules/partition/core/PartitionModel.cpp

@@ -239,3 +239,10 @@ PartitionModel::partitionForIndex( const QModelIndex& index ) const
         return nullptr;
     return reinterpret_cast< Partition* >( index.internalPointer() );
 }
+
+
+void
+PartitionModel::update()
+{
+    emit dataChanged( index( 0, 0 ), index( rowCount() - 1, columnCount() - 1 ) );
+}

src/modules/partition/core/PartitionModel.h

@@ -110,6 +110,8 @@ public:
         return m_device;
     }
 
+    void update();
+
 private:
     Device* m_device;
     OsproberEntryList m_osproberEntries;

src/modules/partition/gui/ChoicePage.cpp

@@ -444,6 +444,9 @@ ChoicePage::applyActionChoice( ChoicePage::Choice choice )
                     PartitionActions::doReplacePartition( m_core,
                                                           selectedDevice(),
                                                           partition );
+                PartitionModel* m = qobject_cast< PartitionModel* >( m_afterPartitionBarsView->model() );
+                if ( m )
+                    m->update();
             };
 
             if ( m_core->isDirty() )