Fix Phase-2 muon space point bucket formation

Prevent isolated 1D phi space points from breaking the internal sorting of our space point buckets. Removes need for large numbers of bins to recover maxima, allowing to speed up hough transform by factor 2-4 in a follow up MR.

This merge request affects 1 package:

• MuonSpectrometer/MuonPhaseII/MuonPatternRecognition/MuonSpacePointFormation

This merge request affects 1 file:

• MuonSpectrometer/MuonPhaseII/MuonPatternRecognition/MuonSpacePointFormation/src/MuonSpacePointMakerAlg.cxx

Adding @apsallid ,@kluit ,@pscholer ,@rosati ,@stavrop ,@jojungge as watchers

added MuonSpectrometer Upgrade main review-pending-level-1 labels

CI Result SUCCESS (hash dbadceaa)

	Athena
externals
cmake
make
tests

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For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 13598] (remote access info)

Looks good to me and the dependence in the MR have been approved, approving -L1

removed review-pending-level-1 label

added review-approved label

merged

mentioned in commit 07e89740