Altium importer: Polygon cutout incorrectly imported

Description

Altium:

image

In KiCad, it is imported as a "keepout" rule area with "keep out copper fill" checked (correct), but has also "Keep out Tracks" "Keep out Pads" and "Keep out Vias" also checked (incorrect), causing DRC errors on the imported board:

image

Steps to reproduce

  1. Import: HiFive1.B01.PcbDoc (originally from https://www.sifive.com/boards/hifive1-rev-b added here for convenience)
  2. Check the properties of the rule area around the ground pad in U1

KiCad Version

Application: KiCad PCB Editor x64 on x64

Version: 7.0.7, release build

Libraries:
	wxWidgets 3.2.2
	FreeType 2.12.1
	HarfBuzz 6.0.0
	FontConfig 2.14.1

Platform: Windows 10 (build 19045), 64-bit edition, 64 bit, Little endian, wxMSW

	wxWidgets: 3.2.2 (wchar_t,wx containers)
	Boost: 1.81.0
	OCC: 7.7.1
	Curl: 7.88.1-DEV
	ngspice: 40
	Compiler: Visual C++ 1936 without C++ ABI

Build settings:
	KICAD_SPICE=ON