#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

compensation/views/compensation.py

@@ -23,7 +23,7 @@ from konova.utils.message_templates import FORM_INVALID, IDENTIFIER_REPLACED, DA
     CHECKED_RECORDED_RESET, COMPENSATION_ADDED_TEMPLATE, COMPENSATION_REMOVED_TEMPLATE, DOCUMENT_ADDED, \
     COMPENSATION_STATE_REMOVED, COMPENSATION_STATE_ADDED, COMPENSATION_ACTION_REMOVED, COMPENSATION_ACTION_ADDED, \
     DEADLINE_ADDED, DEADLINE_REMOVED, DOCUMENT_EDITED, COMPENSATION_STATE_EDITED, COMPENSATION_ACTION_EDITED, \
-    DEADLINE_EDITED, RECORDED_BLOCKS_EDIT, PARAMS_INVALID
+    DEADLINE_EDITED, RECORDED_BLOCKS_EDIT, PARAMS_INVALID, DATA_CHECKED_PREVIOUSLY_TEMPLATE
 from konova.utils.user_checks import in_group
 
 
@@ -217,8 +217,15 @@ def detail_view(request: HttpRequest, id: str):
 
     request = comp.set_status_messages(request)
 
+    last_checked = comp.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": comp,
+        "last_checked": last_checked,
+        "last_checked_tooltip": last_checked_tooltip,
         "geom_form": geom_form,
         "parcels": parcels,
         "has_access": is_data_shared,