Fix for hit sorting issue

William Axel Leightrequested to merge
wleight/athena:ATLASRECTS-6410_2 into master

On rare occasions there can be issues with sorting RPC and MDT hits in the same station using distances. This fix uses id-based sorting to ensure that RPC and MDT hits are handled correctly, thus avoiding the addition of duplicate hits to the track in the hit recovery, as reported in ATLASRECTS-6410.

Closes ATLASRECTS-6410

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