skew tuning tool doesn't do calculation for any segments on the track

Description

When in skew tuning tool mode, when the track is across a via to pad, the tool didn't do calculation on any segments of the track

2023-12-16_14-59-12

Sample project: https://github.com/sprhawk/leaf-rv1126/tree/f4acb2227414fca6f1c3d71d324b69f95753c659

Steps to reproduce

KiCad Version

Application: KiCad PCB Editor x86_64 on x86_64

Version: 7.99.0-3958-g1df84f4d92-qdiotpi, release build

Libraries:
	wxWidgets 3.2.2
	FreeType 2.12.1
	HarfBuzz 6.0.0
	FontConfig 2.14.1
	libcurl/7.88.1 OpenSSL/3.0.11 zlib/1.2.13 brotli/1.0.9 zstd/1.5.4 libidn2/2.3.3 libpsl/0.21.2 (+libidn2/2.3.3) libssh2/1.10.0 nghttp2/1.52.0 librtmp/2.3 OpenLDAP/2.5.13

Platform: Debian GNU/Linux 12 (bookworm), 64 bit, Little endian, wxGTK, X11, i3-gnome, x11

Build Info:
	Date: Dec 16 2023 10:55:11
	wxWidgets: 3.2.2 (wchar_t,wx containers) GTK+ 3.24
	Boost: 1.74.0
	OCC: 7.6.3
	Curl: 7.88.1
	ngspice: 39
	Compiler: GCC 12.2.0 with C++ ABI 1017

Build settings: