frontend: show lab permission row in care-team employee dialog

CLINICAL_RESOURCES includes "lab" but the employee detail dialog only
mapped patient/appointment/prescription/task, so the lab row rendered as
the raw i18n key with no icon. Add a FlaskConical icon and a
"Lab results" label.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/lib/i18n/locales/en/translation.json

@@ -1352,7 +1352,8 @@
           "patient": "Patients",
           "appointment": "Appointments",
           "prescription": "Prescriptions",
-          "task": "Tasks"
+          "task": "Tasks",
+          "lab": "Lab results"
         },
         "actions": {
           "read": "View",