TMSS-770: Add target name info for the project reporting

SAS/TMSS/backend/src/tmss/tmssapp/adapters/reports.py

 from django.db.models import F, Sum
 from lofar.sas.tmss.tmss.tmssapp import models
 from lofar.sas.tmss.tmss.tmssapp import serializers
+from lofar.sas.tmss.services.scheduling.constraints.template_constraints_v1 import get_target_observation_task_name_from_requirements_doc
 
 from rest_framework.request import Request
 from datetime import timedelta
@@ -343,6 +344,11 @@ def _get_subs_and_durations_from_project(project_pk: int) -> ({}, {}):
             sub_observed_duration = sub.observed_duration.total_seconds() if sub.observed_duration else 0
             sub_info = {'id': sub.pk, 'name': sub.name, 'status': sub.status, 'start': sub.start_time.isoformat(),
                         'stop': sub.stop_time.isoformat(), 'duration': sub_duration, 'observed_duration': sub_observed_duration}
+            try:
+                sub_info['target'] = get_target_observation_task_name_from_requirements_doc(sub)
+            except Exception as e:
+                sub_info['target'] = None
+
             # Gather durations
             durations['total'] += sub_duration  # Total
             if sub.status != 'cancelled':  # Not cancelled SUBs