AggPas: Fix TLazIntfImage descriptor for 32-bit pixel format

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40216 4005530d-fff6-0310-9dd1-cebe43e6787f
TAChart: Add TChartGUIConnectorAggPas.PixelFormat property

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40217 4005530d-fff6-0310-9dd1-cebe43e6787f