support sc.slowcheck

Change-Id: I91dcdba455660dee25accdd2185a876bf7012ff8
add way for shape dumper to dump single shape

Change-Id: I031921d6869d3bbdef4ed11e4316b6cd977992ca
fix missing service factory during import, related fdo#74333, cp#1000057

Change-Id: I2cce561587d82b0434ef2d3e65e5d35b7ff99260
dump also drawinglayer shapes that are externally added

Change-Id: I0a5ba2db0fa09193803442b5771a1d6b0475c2c8
the chart root shape has to be at the bottom, fdo#74333, cp#1000057

Change-Id: Ic99fec987f290e94e4b45f4d193406daa2de4740
fix comment about ChartView::dump