Fixes query attribute not existing under strict mode (#465)

* Fixes `query` attribute not existing under strict mode

* Update ModelCaching.php

Signed-off-by: Mike Bronner <mike@genealabs.com>

---------

Signed-off-by: Mike Bronner <mike@genealabs.com>
Co-authored-by: Mike Bronner <mike@genealabs.com>

Author: daika7ana

src/Traits/ModelCaching.php

@@ -22,6 +22,11 @@ public function __get($key)
                 ?? 0;
         }
 
+        if ($key === "query") {
+            return $this->query
+                ?? $this->newModelQuery();
+        }
+
         return parent::__get($key);
     }