test(parity): a reading or writing delegate is not offered End

End needs MANAGE over medications, so the course flag now reads false for a
delegate who may only read or write.

tests/integration/routes/parity/__snapshots__/medication-detail.05a-reader.json.snap

@@ -69,7 +69,7 @@
       "nextDueOverdue": false,
       "courseStatus": "CURRENT",
       "intakeActionable": true,
-      "canEndCourse": true,
+      "canEndCourse": false,
       "stockUnitsRemaining": 3,
       "stockDosesRemaining": 3,
       "runwayDays": 21,

tests/integration/routes/parity/__snapshots__/medications.02a-list-reader.json.snap

@@ -74,7 +74,7 @@
         "nextDueScheduleId": "<id:3>",
         "courseStatus": "CURRENT",
         "intakeActionable": true,
-        "canEndCourse": true,
+        "canEndCourse": false,
         "stockUnitsRemaining": null,
         "stockDosesRemaining": null,
         "runwayDays": null

tests/integration/routes/parity/__snapshots__/medications.18a-writer.json.snap

@@ -69,7 +69,7 @@
       "nextDueOverdue": false,
       "courseStatus": "CURRENT",
       "intakeActionable": true,
-      "canEndCourse": true,
+      "canEndCourse": false,
       "stockUnitsRemaining": null,
       "stockDosesRemaining": null,
       "runwayDays": null,