sliderslides get marked as unused when sample changes on reverse arrow

[visionaryww]

Prerequisites

• [ x ] I have read the Mapping Tools FAQ

Environment

win10
Mapping Tools version: 1.21.4.0

Description

when attempting to remove unused samples, it removes samples that arent unused in the case of sliderslides for reverse arrows with different sampleset id than the head/tail

Reproduction

extremely easy to reproduce

Screenshots/Recordings

https://streamable.com/e6xmcp

Additional context