Reduce the number of items per page on moderation

For performance issues.

lib/admin.go

@@ -11,10 +11,6 @@ import (
 	"gitlab.com/trantor/trantor/lib/parser"
 )
 
-const (
-	newItemsPage = 10
-)
-
 func deleteHandler(h handler) {
 	ids := strings.Split(mux.Vars(h.r)["ids"], "/")
 	submissionID := mux.Vars(h.r)["submissionID"]

lib/submission.go

@@ -10,6 +10,10 @@ import (
 	"gitlab.com/trantor/trantor/lib/database"
 )
 
+const (
+	newItemsPage = 5
+)
+
 func submissionHandler(h handler) {
 	var data submissionData
 	var err error