[48390775] fix bug that cannot return back to edit candidate page when validation fails

Signed-off-by: Henry Chen <hchen@vmware.com>
rollback an unintened code change.
Signed-off-by: Henry Chen <hchen@vmware.com>
rollback another unintended code change.

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge pull request #110 from Henry-CF/candidate_page

[48390775] should return back to 'edit candidate' if 'Save' Fails