Broken schematic after update to 6.0.3. "Wires not connected to anything"

Broken schematic after update to 6.0.3. "Wires not connected to anything"

Project archive A.zip

Description

Steps to reproduce

1. update to 6.0.3
2. open the schema created in version 6.0.2
3. run DRC

KiCad Version

Application: KiCad Schematic Editor

Version: 6.0.3-a3aad9c10e~116~ubuntu20.04.1, release build

Libraries:
	wxWidgets 3.0.4
	libcurl/7.68.0 OpenSSL/1.1.1f zlib/1.2.11 brotli/1.0.7 libidn2/2.2.0 libpsl/0.21.0 (+libidn2/2.2.0) libssh/0.9.3/openssl/zlib nghttp2/1.40.0 librtmp/2.3

Platform: Linux 5.4.0-104-generic x86_64, 64 bit, Little endian, wxGTK, cinnamon, x11

Build Info:
	Date: Mar 16 2022 14:24:02
	wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8) GTK+ 3.24
	Boost: 1.71.0
	OCC: 7.5.2
	Curl: 7.81.0
	ngspice: 31
	Compiler: GCC 9.4.0 with C++ ABI 1013

Build settings:
	KICAD_USE_OCC=ON
	KICAD_SPICE=ON