Fix: QSGGeometry lineWidth in qsgbatchrenderer

lineWidth was ignored in the new scenegraph batchrenderer.
Regression from 5.1.1

Task-number: QTBUG-35346
Change-Id: I80eacc165f70b5f39d4a01cf458ab1a0e49cbd2d
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Profile a pixmap start event also when loading is asynchronous.

If those events aren't profiled we get unmatched events for finished
loading and errors.

Task-number: QTBUG-35337

Change-Id: I132638edf5625566e37ee06453484f80b2adb74a
Reviewed-by: Ulf Hermann <ulf.hermann@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>