PadClusterization : Use DataPool

Using DataPool reduced the per -event memory allocation for this kind of Algs.

e.g

So try to apply similar changes also to PadClusterization

This merge request affects 3 packages:

• HighGranularityTimingDetector/HGTD_Reconstruction/HGTD_RecAlgs
• HighGranularityTimingDetector/HGTD_Reconstruction/HGTD_RecToolInterfaces
• HighGranularityTimingDetector/HGTD_Reconstruction/HGTD_RecTools

Affected files list will not be printed in this case

Adding @goetz ,@dshope ,@cohm ,@lshan ,@lgagnon as watchers

added HGTD main review-pending-level-1 labels

CI Result SUCCESS (hash 16ff1617)

	Athena
externals
cmake
make
tests

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For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 78365]

Unsure about how these changes work, escalating to L2.

Cheers, Philipp

added review-pending-level-2 label

removed review-pending-level-1 label

Looks good, approving - L2

added review-approved label

removed review-pending-level-2 label

merged

mentioned in commit b479c864

For the record

This is phase2 alone (since HGTD) but ping @amete

added sweep:ignore label