Refactor DbModel options to use explicit, typed classes

Replaced the old generic, dictionary-based entity configuration system with a new, strongly-typed options structure under ReC.Application.Common.Options.DbModel. Introduced specific options classes for each major database view and result type, each with clear property mappings and defaults. Added a ViewOptions class for view/schema info. Removed all legacy entity mapping infrastructure, resulting in a more maintainable and type-safe configuration approach.

src/ReC.Application/Common/Options/DbModel/InsertObjectResultOptions.cs

@@ -0,0 +1,6 @@
+namespace ReC.Application.Common.Options.DbModel;
+
+public class InsertObjectResultOptions
+{
+    public string NewObjectId { get; set; } = "oGUID";
+}