[fix] 修复计算泛型 多维数组桥接函数时抛出异常的bug

Editor/Meta/GenericMethod.cs

@@ -69,7 +69,7 @@ namespace HybridCLR.Editor.Meta
             typeDef = decalringType.ResolveTypeDef();
             if (typeDef == null)
             {
-                throw new Exception($"{decalringType}");
+                return null;
             }
             GenericInstSig gis = decalringType.TryGetGenericInstSig();
             if (gis != null)