Does a voter have standing to challenge racial discrimination by the Democratic Party in Congressional Primary Elections?

QUESTION PRESENTED Petitioner, a registered voter, filed suit claiming that the Democratic Congressional Campaign Committed violated his rights as a voter by violating the Constitutional Rights of African-American Candidates in his Congressional District during the run up to the 2018 Congressional Elections. In dismissing the Complaint, the Courts below : ruled that to have standing a Plaintiff must either (1) be an African: American candidate in the Congressional Election or (2) be a voter who is supporting a specific African-American candidate who is being discriminated against. Does a voter have standing to challenge racial discrimination by the Democratic Party in Congressional Primary Elections based upon the challenged discrimination limiting his choice of candidates by preventing would be candidates from entering the Congressional Primaries. i