update e2e expected arrival times on steps

mareco allowance is now applied on split envelopes instead of one big
envelope which makes litte discrepancies in the expected times of the
e2e tests

Author: Sh099078

front/tests/assets/stdcm/linked-train/posterior-linked-train-table.json

@@ -15,7 +15,7 @@
     "operationalPoint": "Mid_East_station",
     "code": "BV",
     "track": "V1",
-    "endStop": "12:38",
+    "endStop": "12:37",
     "passageStop": "3 min",
     "startStop": "12:41",
     "weight": "=",

front/tests/assets/stdcm/towed-rolling-stock/towed-rolling-stock-table-result.json

@@ -16,7 +16,7 @@
     "code": "BV",
     "track": "V1",
     "endStop": "",
-    "passageStop": "16:05",
+    "passageStop": "16:04",
     "startStop": "",
     "weight": "=",
     "refEngine": "="