feat(falukant): enhance child details with other parent information and birth context

- Updated FalukantService to include father and mother character IDs in child relationships.
- Added logic to retrieve and display other parent details in ChildDetailsDialog and FamilyView components.
- Introduced new translations for 'other parent' and 'birth context' in English, German, and Spanish localization files.
- Enhanced UI to show other parent information and birth context in child detail views.

frontend/src/i18n/locales/en/falukant.json

@@ -653,10 +653,21 @@
                     "acknowledged_bastard": "Acknowledged illegitimate",
                     "hidden_bastard": "Illegitimate"
                 },
+                "otherParent": "Other parent",
+                "otherParentUnknown": "Unknown",
+                "birthContextLabel": "Origin",
+                "birthContextShort": {
+                    "marriage": "Marriage",
+                    "lover": "Affair"
+                },
+                "birthContextLong": {
+                    "marriage": "From marriage",
+                    "lover": "From an affair"
+                },
                 "details": {
                     "title": "Child Details"
                 }
-            ,
+            },
             "taxes": {
                 "title": "Taxes",
                 "loading": "Loading tax data...",
@@ -665,7 +676,6 @@
                     "region": "Region",
                     "taxPercent": "Tax %"
                 }
-            }
             },
             "spouse": {
                 "traitsToggle": "Character traits",