Merge "more extensibility for asc/desc" into main

diff --cc lib/sqlalchemy/orm/descriptor_props.py
Simple merge

diff --cc lib/sqlalchemy/sql/_elements_constructors.py
Simple merge

diff --cc lib/sqlalchemy/sql/compiler.py
Simple merge

diff --cc lib/sqlalchemy/sql/elements.py
Simple merge

diff --cc lib/sqlalchemy/sql/operators.py
Simple merge