fix: more robust portable data dir setup logic (#5347)

src/main/utils/file.ts

@@ -2,7 +2,7 @@ import * as fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
 
-import { isPortable } from '@main/constant'
+import { isMac } from '@main/constant'
 import { audioExts, documentExts, imageExts, textExts, videoExts } from '@shared/config/constant'
 import { FileType, FileTypes } from '@types'
 import { app } from 'electron'
@@ -85,11 +85,11 @@ export function getAppConfigDir(name: string) {
   return path.join(getConfigDir(), name)
 }
 
-export function setAppDataDir() {
-  if (isPortable) {
+export function setUserDataDir() {
+  if (!isMac) {
     const dir = path.join(path.dirname(app.getPath('exe')), 'data')
-    if (fs.existsSync(dir)) {
-      app.setPath('appData', dir)
+    if (fs.existsSync(dir) && fs.statSync(dir).isDirectory()) {
+      app.setPath('userData', dir)
     }
   }
 }