Introduce PeepNamesObjects for 'real' names of peeps (#22758)

* Add initial PeepNamesObject implementation

* Add peep names object to default objects

* Append peep names object to object list for older saves

* Deduplicate AppendRequiredObjects functions

* Remove built-in 'real name' tables

* Increment park version; introduce kPeepNamesObjectsVersion

* Update objects dependency to v1.4.8

src/openrct2/park/ParkFile.cpp

@@ -373,6 +373,13 @@ namespace OpenRCT2
                             }
                         }
                     });
+
+                if (version < kPeepNamesObjectsVersion)
+                {
+                    AppendRequiredObjects(
+                        requiredObjects, ObjectType::PeepNames, std::vector<std::string>({ "rct2.peep_names.original" }));
+                }
+
                 RequiredObjects = std::move(requiredObjects);
             }
             else