When creating a RelOptMaterialization, if row types are not identical, create a cast using a custom RelBuilder

RelOptMaterialization may add a Project on top of tableRel. This is always a LogicalProject since the RelFactories.ProjectFactory is hardcoded to RelFactories.DEFAULT_PROJECT_FACTORY.

Some projects like Hive specifies its custom operators and custom RelFactories instead of using the built in Logical ones.
Example:

public class HiveProject extends Project