#163 Checked icons improvement

* adds a second star icon on currently unchecked but previously checked entries
   --> can be detected easier for another check run
* simplifies some related code parts
* moves some translation string into message_templates.py
* enables session timeout after 60 minutes
* improves comment card layout sizing
* adds/updates translations

intervention/views.py

@@ -19,7 +19,7 @@ from konova.utils.generators import generate_qr_code
 from konova.utils.message_templates import INTERVENTION_INVALID, FORM_INVALID, IDENTIFIER_REPLACED, \
     CHECKED_RECORDED_RESET, DEDUCTION_REMOVED, DEDUCTION_ADDED, REVOCATION_ADDED, REVOCATION_REMOVED, \
     COMPENSATION_REMOVED_TEMPLATE, DOCUMENT_ADDED, DEDUCTION_EDITED, REVOCATION_EDITED, DOCUMENT_EDITED, \
-    RECORDED_BLOCKS_EDIT
+    RECORDED_BLOCKS_EDIT, DATA_CHECKED_PREVIOUSLY_TEMPLATE
 from konova.utils.user_checks import in_group
 
 
@@ -265,9 +265,15 @@ def detail_view(request: HttpRequest, id: str):
     geom_form = SimpleGeomForm(
         instance=intervention,
     )
+    last_checked = intervention.get_last_checked_action()
+    last_checked_tooltip = ""
+    if last_checked:
+        last_checked_tooltip = DATA_CHECKED_PREVIOUSLY_TEMPLATE.format(last_checked.get_timestamp_str_formatted(), last_checked.user)
 
     context = {
         "obj": intervention,
+        "last_checked": last_checked,
+        "last_checked_tooltip": last_checked_tooltip,
         "compensations": compensations,
         "has_access": is_data_shared,
         "geom_form": geom_form,