Elwig: Use ExecuteSql/FromSql instead of ExecuteSqlRaw/FromSqlRaw where possible

Elwig/Models/Dtos/CreditNoteData.cs

@@ -49,7 +49,7 @@ namespace Elwig.Models.Dtos {
         }
 
         private static async Task<IEnumerable<CreditNoteRowSingle>> FromDbSet(DbSet<CreditNoteRowSingle> table, int year, int avnr) {
-            return await table.FromSqlRaw($"""
+            return await table.FromSql($"""
                 SELECT m.mgnr, m.name AS name_1,
                        COALESCE(m.prefix || ' ', '') || m.given_name ||
                        COALESCE(' ' || m.middle_names, '') || COALESCE(' ' || m.suffix, '') AS name_2,