Bug 23384: Fix use statement order for ArticleRequest::Status

Bug 23384: Fix use statement order for ArticleRequest::Status

Koha::ArticleRequest is used by Koha::ArticleRequests so
Koha::ArticleRequest::Status should not be needed in
Koha::ArticleRequest.
Also Koha::ArticleRequest::Status must be loaded before
Koha::ArticleRequest

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>
(cherry picked from commit 00379c189976ac9e7e2429f5261a0b562206fc5d)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>