meta_any: replace ::owner (never released yet) with ::base

src/entt/meta/meta.hpp

@@ -591,11 +591,6 @@ public:
         return meta_any{*this, storage.as_ref()};
     }
 
-    /*! @copydoc any::owner */
-    [[nodiscard]] bool owner() const noexcept {
-        return storage.owner();
-    }
-
     /**
      * @brief Returns the current mode of a meta any object.
      * @return The current mode of the meta any object.
@@ -604,6 +599,14 @@ public:
         return storage.policy();
     }
 
+    /**
+     * @brief Returns the underlying storage.
+     * @return The underlyig storage.
+     */
+    [[nodiscard]] const any &base() const noexcept {
+        return storage;
+    }
+
 private:
     any storage{};
     const meta_ctx *ctx{&locator<meta_ctx>::value_or()};