Fix of STGC pads and wires widths. Sweep of MR !43602.
Retrieving STGC pads and wires width from the det. descr. Also, add a fix in a dphi calculation to avoid a false warning. Sweep of MR !43602 (merged).
Retrieving STGC pads and wires width from the det. descr. Also, add a fix in a dphi calculation to avoid a false warning. Sweep of MR !43602 (merged).