* PointCloudLayerExporter class
* set points limit
* saveas dialog
* qickndirty task
* wip
* add pdal files
* transform context
* add getters
* try to use some subclasses
* use nested classes
* don't default layername
* limit supported formats
* error reporting
* limit formats in gui too
* format filters and source/target crs
* use default infinite extent
* set pdal crs
* add pdrf but keep 3 for now
* properly handle LAZ attributes
* catch coordinate transform exceptions
* use default destructor, fix leak, docs
* trim includes, fix typos
* use qgsspinboxes, add points limit to the gui
* fix limit exporting logic
* avoid auto
* fix builds
* don't reuse lastVectorFormat setting
* Rework layer name handling
* Rage against the elevation
* invert attribute activation logic
* use wkt for laz srs
* use original offset/scale if not reprojecting
* move created memory layer to main thread when done
* allways add memory layer to map
* oops
* properly handle existing vector files
* don't add layer if cancelled
* create the memory layer on the main thread
* remove colon
* remove duplicate code and avoid crashing on mesh and vectortiles
* fix leak
* handle case blunder
* address review
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