feat: Add resolved property on expression names, returning the corresponding Griffe object

Author: pawamoy

src/griffe/expressions.py

@@ -607,6 +607,14 @@ def canonical_path(self) -> str:
         except NameResolutionError:
             return self.name
 
+    @property
+    def resolved(self) -> Module | Class | None:
+        """The resolved object this name refers to."""
+        try:
+            return self.parent.modules_collection[self.parent.resolve(self.name)]  # type: ignore[union-attr]
+        except Exception:  # noqa: BLE001
+            return self.parent.resolved[self.name]  # type: ignore[union-attr,index]
+
     @property
     def is_enum_class(self) -> bool:
         """Whether this name resolves to an enumeration class."""