Models: Use nameof() in InverseProperty

Elwig/Models/Entities/AT_Gem.cs

@@ -11,10 +11,10 @@ namespace Elwig.Models.Entities {
         [Column("name")]
         public string Name { get; private set; } = null!;
 
-        [InverseProperty("Gem")]
-        public virtual ISet<AT_Kg> Kgs { get; private set; } = null!;
+        [InverseProperty(nameof(AT_Kg.Gem))]
+        public virtual ICollection<AT_Kg> Kgs { get; private set; } = null!;
 
-        [InverseProperty("AtGem")]
+        [InverseProperty(nameof(WbGem.AtGem))]
         public virtual WbGem? WbGem { get; private set; }
     }
 }