Add get_atoms() to class atoms

This resolves a compilation issue on Windows where static casting in the set_range code has ambiguity in the overload set.

include/c74_min_attribute.h

@@ -504,8 +504,7 @@ namespace c74::min {
 
         void set_range(const std::vector<T>& range) {
             m_range = range;
-            const auto value = static_cast<atoms>(*this);
-            set(value);
+            set(get_atoms());
         }
 
 
@@ -651,6 +650,16 @@ namespace c74::min {
         }
 
 
+        /// Get the attribute value as a vector of atoms.
+        /// @return The value of the attribute
+
+        atoms get_atoms() const {
+            if (m_getter)
+                return m_getter();
+            else
+                return to_atoms(m_value);
+        }
+
         /// Get the attribute value as a const reference to the native datatype.
         /// We need to return by const reference in cases where the type of the attribute is a class.
         /// For example, a #time_value attribute cannot be copy constructed.