Refactor association keys in setupAssociations: Update foreign key naming conventions in Party and TitleOfNobility associations for consistency and clarity. Enhance error handling in FalukantService to ensure party ID is present before adding invited nobilities.

backend/models/associations.js

@@ -569,14 +569,14 @@ export default function setupAssociations() {
 
   Party.belongsToMany(TitleOfNobility, {
     through: PartyInvitedNobility,
-    foreignKey: 'party_id',
-    otherKey: 'title_of_nobility_id',
+    foreignKey: 'partyId',
+    otherKey: 'titleOfNobilityId',
     as: 'invitedNobilities',
   });
   TitleOfNobility.belongsToMany(Party, {
     through: PartyInvitedNobility,
-    foreignKey: 'title_of_nobility_id',
-    otherKey: 'party_id',
+    foreignKey: 'titleOfNobilityId',
+    otherKey: 'partyId',
     as: 'partiesInvitedTo',
   });