Bail out if the collection doesn't have a route

Author: duncanmcclean

src/Entries/Entry.php

@@ -450,6 +450,10 @@ public function save()
 
     private function shouldUpdateUris(): bool
     {
+        if (! $this->route()) {
+            return false;
+        }
+
         $antlersRoute = preg_replace_callback('/{\s*([a-zA-Z0-9_\-]+)\s*}/', function ($match) {
             return "{{ {$match[1]} }}";
         }, $this->route());