Refactor database object trait and improve data handling

Added `delete`, `restore`, and other utility methods to enhance CRUD operations, including support for soft deletes. Introduced `objectChanged` hooks across objects for better cache or event handling, ensuring scalability and maintainability. Refactored and standardized object property handling while restructuring related methods.

services/nginx/app/classes/object_property.php

@@ -20,7 +20,7 @@ class object_property
         $this->required = $required;
         $this->default = $default;
     }
-
+    
     public function __toString(): string
     {
         // Return the value of the field in the database table
@@ -50,6 +50,7 @@ class object_property
         // Set the value of the field in the database table
         global /** @var db $db */
         $db;
+
         // If the value is null, set it to null
         if ($value === null) {
             $sql = "UPDATE $this->table SET $this->column = NULL WHERE id = $this->id";