Feat: Fügt eine Verknüpfung der Transaktionen mit den Konten hinzu

lib/Entities/recurring_transaction.g.dart

@@ -53,6 +53,12 @@ const RecurringTransactionSchema = CollectionSchema(
       target: r'Transaction',
       single: false,
       linkName: r'recurringTransaction',
+    ),
+    r'account': LinkSchema(
+      id: -6028551496614242115,
+      name: r'account',
+      target: r'Account',
+      single: true,
     )
   },
   embeddedSchemas: {},
@@ -142,7 +148,7 @@ Id _recurringTransactionGetId(RecurringTransaction object) {
 
 List<IsarLinkBase<dynamic>> _recurringTransactionGetLinks(
     RecurringTransaction object) {
-  return [object.transactions];
+  return [object.transactions, object.account];
 }
 
 void _recurringTransactionAttach(IsarCollection<dynamic> col, Id id,
@@ -150,6 +156,7 @@ void _recurringTransactionAttach(IsarCollection<dynamic> col, Id id,
   object.id = id;
   object.transactions
       .attach(col, col.isar.collection<Transaction>(), r'transactions', id);
+  object.account.attach(col, col.isar.collection<Account>(), r'account', id);
 }
 
 extension RecurringTransactionQueryWhereSort
@@ -716,6 +723,22 @@ extension RecurringTransactionQueryLinks on QueryBuilder<RecurringTransaction,
           r'transactions', lower, includeLower, upper, includeUpper);
     });
   }
+
+  QueryBuilder<RecurringTransaction,
+      RecurringTransaction,
+      QAfterFilterCondition> account(FilterQuery<Account> q) {
+    return QueryBuilder.apply(this, (query) {
+      return query.link(q, r'account');
+    });
+  }
+
+  QueryBuilder<RecurringTransaction,
+      RecurringTransaction,
+      QAfterFilterCondition> accountIsNull() {
+    return QueryBuilder.apply(this, (query) {
+      return query.linkLength(r'account', 0, true, 0, true);
+    });
+  }
 }
 
 extension RecurringTransactionQuerySortBy