Netflix, the dominant player in streaming, is expected to announce its first-quarter results on Thursday after enjoying months as a Wall Street darling. But much of the company’s past growth and success, analysts say, has come from its old, well-established business model. In recent months, Netflix has made moves to expand and even radically reinvent that business. While streaming competitors like Disney+, Hulu, Max (owned by CNN’s parent company Warner Bros. Discovery) and Peacock work…