main: dirname for esm supported

src/main/utils/Constants.ts

@@ -1,5 +1,8 @@
-import { join } from 'path'
+import { join, dirname } from 'path'
 import { name, version } from '../../../package.json'
+import { fileURLToPath } from 'url'
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
 
 export default class Constants {
   // Display app name (uppercase first letter)