[MCH] fixes to the ST1 pads mapping (#13996)

The relation between pad positions and electronics channels
was wrong for seven DS boards on the edge of the bending
cathodes, all corresponding to the motif type "1BG".

For more details see https://its.cern.ch/jira/browse/MCH-4

Author: aferrero2707

Detectors/MUON/MCH/Mapping/Impl4/src/GenCathodeSegmentationCreatorForSegType0.cxx

@@ -269,10 +269,10 @@ CathodeSegmentation* createSegType0(bool isBendingPlane)
        /* 1BD */ {4, 16, {61, 9, 63, 59, 14, 7, 8, 16, 58, 62, 21, 57, 54, 19, 60, 10, 5, 12, 56, 52, 2, 6, 55, 1, 44, 51, 0, 48, 11, 4, 46, 3, 35, 36, 42, 13, 17, 33, 15, 34, 23, 32, 20, 18, 24, 43, 22, 37, 49, 25, 45, 38, 27, 28, 47, 26, 53, 41, 29, 50, 30, 31, 40, 39}},
        /* 1BE */ {3, 16, {61, 9, 63, 14, 7, 8, 58, 62, 21, 54, 19, 60, 5, 12, 56, 2, 6, 55, 44, 51, 0, 11, 4, 46, 35, 36, 42, 17, 33, 15, 23, 32, 20, 24, 43, 22, 49, 25, 45, 27, 28, 47, 53, 41, 29, 30, 31, 40}},
        /* 1BF */ {3, 21, {19, 9, 60, 14, 62, 59, 58, 63, 56, 6, 7, 57, 54, 8, 10, 5, 61, 52, 51, 16, 0, 2, 12, 48, 44, 55, 3, 4, 1, 42, 36, 46, 13, 35, 11, 15, 17, 34, 18, 23, 32, 33, 38, 20, 37, 43, 25, 22, 47, 26, 45, 49, 28, 24, 27, 39, 50, 41, 40, 29, 31, 30, 53}},
-       /* 1BG */ {3, 16, {61, 9, 63, 14, 7, 8, 58, 62, 21, 54, 19, 60, 5, 12, 56, 2, 6, 55, 44, 51, 0, 11, 4, 46, 35, 36, 42, 17, 33, 15, 23, 32, 20, 24, 43, 22, 49, 25, 45, 27, 28, 47, 53, 41, 29, 30, 31, 40}},
+       /* 1BG */ {3, 16, {7, 9, 63, 61, 62, 60, 19, 21, 16, 58, 56, 57, 12, 6, 55, 54, 52, 0, 51, 48, 46, 2, 4, 42, 44, 13, 35, 11, 34, 33, 17, 32, 20, 23, 22, 43, 25, 47, 45, 49, 50, 27, 31, 29, 53, 40, 30, 39}},
        /* 1BH */ {3, 16, {7, 9, 63, 61, 62, 60, 19, 21, 16, 58, 56, 57, 12, 6, 55, 54, 52, 0, 51, 48, 46, 2, 4, 42, 44, 13, 35, 11, 34, 33, 17, 32, 20, 23, 22, 43, 25, 47, 45, 49, 50, 27, 31, 29, -1, 40, 30, -1}},
        /* 1BI */ {2, 16, {7, 9, 61, 62, 19, 21, 58, 56, 12, 6, 54, 52, 51, 48, 2, 4, 44, 13, 11, 34, 17, 32, 23, 22, 25, 47, 49, 50, 31, 29, 40, 30}},
-       /* 1BG */ {1, 16, {59, 16, 57, 10, 52, 1, 48, 3, 13, 34, 18, 37, 38, 26, 50, 39}}},
+       /* 1BG */ {1, 16, {8, 59, 14, 10, 5, 1, 3, 36, 15, 18, 37, 38, 24, 26, 28, 41}}},
       /* PS */
       {{0.63, 0.42},
        {0.84, 0.42},