Fix Cypress tests on master (#26500)

server/channels/api4/emoji.go

@@ -21,7 +21,7 @@ const (
 )
 
 func (api *API) InitEmoji() {
-	api.BaseRoutes.Emojis.Handle("", api.APISessionRequired(createEmoji)).Methods("POST")
+	api.BaseRoutes.Emojis.Handle("", api.APISessionRequired(createEmoji, handlerParamFileAPI)).Methods("POST")
 	api.BaseRoutes.Emojis.Handle("", api.APISessionRequired(getEmojiList)).Methods("GET")
 	api.BaseRoutes.Emojis.Handle("/names", api.APISessionRequired(getEmojisByNames)).Methods("POST")
 	api.BaseRoutes.Emojis.Handle("/search", api.APISessionRequired(searchEmojis)).Methods("POST")