appview: pulls: supply posthog client to PullsRouter

if the client is nil, posthog fails to enqueue a request, it crashes the
route and prevents redirect (as seen while creating pull comments and
pull requests)

Signed-off-by: oppiliappan <[e-mail]>

appview/pulls/pulls.go

···
 	resolver *idresolver.Resolver,
 	db *db.DB,
 	config *config.Config,
+	posthog posthog.Client,
 ) *Pulls {
 	return &Pulls{
 		oauth:        oauth,
···
 		idResolver:   resolver,
 		db:           db,
 		config:       config,
+		posthog:      posthog,
 	}
 }
 

appview/state/router.go

···
 }
 
 func (s *State) PullsRouter(mw *middleware.Middleware) http.Handler {
-	pulls := pulls.New(s.oauth, s.repoResolver, s.pages, s.idResolver, s.db, s.config)
+	pulls := pulls.New(s.oauth, s.repoResolver, s.pages, s.idResolver, s.db, s.config, s.posthog)
 	return pulls.Router(mw)
 }