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/de/falukant.json

@@ -659,6 +659,17 @@
                     "acknowledged_bastard": "Anerkannt unehelich",
                     "hidden_bastard": "Unehelich"
                 },
+                "otherParent": "Anderes Elternteil",
+                "otherParentUnknown": "Unbekannt",
+                "birthContextLabel": "Herkunft",
+                "birthContextShort": {
+                    "marriage": "Ehe",
+                    "lover": "Liebschaft"
+                },
+                "birthContextLong": {
+                    "marriage": "Aus der Ehe",
+                    "lover": "Aus einer Liebschaft"
+                },
                 "details": {
                     "title": "Kind-Details"
                 }

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",

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"
                 }