Add method to compute max pad number

Adding new methods to compute the largest pad number and the number of pads per gas volume. Because of the number of pad rows is set to 18, the largest pad number is greater or equal to the number of pads.

Tagging @sfuenzal

Build area was cleaned as per request posted in the DB. The full software build will be performed

This merge request affects 1 package:

• MuonSpectrometer/MuonDetDescr/MuonReadoutGeometry

This merge request affects 1 file:

• MuonSpectrometer/MuonDetDescr/MuonReadoutGeometry/MuonReadoutGeometry/sTgcReadoutElement.h

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

added 22.0 MuonSpectrometer review-pending-level-1 labels

added review-approved label

removed review-pending-level-1 label

mentioned in merge request !57076 (merged)

CI Result SUCCESS (hash b8e49d6b)

	Athena	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 59518]

added review-approved-tier0 label

added review-approved-point1 label

mentioned in commit 00d9d64a

merged