* add template method to return specific type of layers in map canvas
* Apply suggestions from code review
Co-authored-by: Matthias Kuhn <matthias@opengis.ch>
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Co-authored-by: Matthias Kuhn <matthias@opengis.ch>
And API mechanism to propagate these from layout exports down
to the render context
Gives us a place to specify fine-tuned control over masking
settings for map renders
The original workaround was only supposed to apply to QList/
QVector of QVariantMaps. By replacing them all in sip we
break mapping of signals defined in c++ which are emitted
by Python code.
Fixes exceptions after running processing algorithms in Qt6
builds.
