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/es/falukant.json

@@ -640,6 +640,17 @@
                     "acknowledged_bastard": "Ilegítimo reconocido",
                     "hidden_bastard": "Ilegítimo"
                 },
+                "otherParent": "Otro progenitor",
+                "otherParentUnknown": "Desconocido",
+                "birthContextLabel": "Origen",
+                "birthContextShort": {
+                    "marriage": "Matrimonio",
+                    "lover": "Amorío"
+                },
+                "birthContextLong": {
+                    "marriage": "Del matrimonio",
+                    "lover": "De una relación amorosa"
+                },
                 "details": {
                     "title": "Detalles del hijo"
                 }