1295 fix data model template

Author: SilinMykola

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
 ### Added
 
 - Clear notifications for the process status of URN generation [#2486](https://github.com/magento/magento2-phpstorm-plugin/pull/2486)
+- Added array as a type in Data Model properties [#1295](https://github.com/magento/magento2-phpstorm-plugin/pull/1295)
 
 ### Fixed
 

src/main/resources/fileTemplates/internal/Magento Data Model.php.ft

@@ -48,7 +48,7 @@ class ${NAME} #if (${EXTENDS})extends ${EXTENDS} #end #if (${IMPLEMENTS} && $has
              */
             public function get$propertyUpperCamel(): ?$propertyType
             {
-                #if($propertyType == 'string')
+                #if($propertyType == 'string' || $propertyType == 'array')
                 return $this->getData(self::$propertyUpperSnake);
                 #{else}
                 return $this->getData(self::$propertyUpperSnake) === null ? null