1269: static fix

Author: VitaliyBoyko

CHANGELOG.md

@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
 - Throwable: Stub index points to a file without PSI [#1232](https://github.com/magento/magento2-phpstorm-plugin/pull/1232)
 - Create an entity - delete button is displayed in a new entity form [#1268](https://github.com/magento/magento2-phpstorm-plugin/pull/1268)
 - Covered possible NullPointerException in InjectAViewModelDialog.java [#1213](https://github.com/magento/magento2-phpstorm-plugin/pull/1213)
+- AWT events are not allowed inside write action [#1271](https://github.com/magento/magento2-phpstorm-plugin/pull/1271)
 
 ## 5.0.0
 

src/com/magento/idea/magento2plugin/actions/generation/generator/ModuleGraphQlResolverClassGenerator.java

@@ -64,7 +64,6 @@ public ModuleGraphQlResolverClassGenerator(
 
     @Override
     public PsiFile generate(final String actionName) {
-        final PsiFile[] graphQlFile = {null};
 
         final PhpClass[] graphQlResolverClass = {GetPhpClassByFQN.getInstance(project)
                 .execute(graphQlResolverFileData.getGraphQlResolverClassFqn())};
@@ -90,6 +89,7 @@ public PsiFile generate(final String actionName) {
             return null;
         }
 
+        final PsiFile[] graphQlFile = {null};
         WriteCommandAction.runWriteCommandAction(project, () -> {
             final Properties attributes = new Properties();
             final String methodTemplate = PhpCodeUtil.getCodeTemplate(