attribute table: fix update of sort column (fixes #10976)

Author: jef-n

src/gui/attributetable/qgsattributetablemodel.cpp

@@ -192,6 +192,10 @@ void QgsAttributeTableModel::layerDeleted()
 void QgsAttributeTableModel::attributeValueChanged( QgsFeatureId fid, int idx, const QVariant &value )
 {
   QgsDebugMsgLevel( QString( "(%4) fid: %1, idx: %2, value: %3" ).arg( fid ).arg( idx ).arg( value.toString() ).arg( mFeatureRequest.filterType() ), 3 );
+
+  if ( idx == mCachedField )
+    mFieldCache[ fid ] = value;
+
   // No filter request: skip all possibly heavy checks
   if ( mFeatureRequest.filterType() == QgsFeatureRequest::FilterNone )
   {
@@ -210,8 +214,6 @@ void QgsAttributeTableModel::attributeValueChanged( QgsFeatureId fid, int idx, c
         }
         else
         {
-          if ( idx == mCachedField )
-            mFieldCache[ fid ] = value;
           // Update representation
           setData( index( idToRow( fid ), fieldCol( idx ) ), value, Qt::EditRole );
         }
@@ -522,7 +524,7 @@ bool QgsAttributeTableModel::setData( const QModelIndex &index, const QVariant &
 
   if ( mChangedCellBounds.isNull() )
   {
-    mChangedCellBounds = QRect( index.column(), index.row(), 0, 1 );
+    mChangedCellBounds = QRect( index.column(), index.row(), 1, 1 );
   }
   else
   {