cleanup: remove admin elevation code (will work with or without elevated privileges)

Author: BeardedTech0o

package-lock.json

@@ -19,6 +19,7 @@
   },
   "dependencies": {
     "electron-updater": "^6.1.0",
+    "is-admin": "^4.0.0",
     "lucide-react": "^0.263.1",
     "react": "^18.3.0",
     "react-dom": "^18.3.0",

package.json

@@ -0,0 +1,33 @@
+import { app, dialog } from 'electron'
+import { execFile } from 'child_process'
+import isAdmin from 'is-admin'
+
+export async function ensureAdmin(): Promise<boolean> {
+  const admin = await isAdmin()
+
+  if (!admin) {
+    const { response } = await dialog.showMessageBox({
+      type: 'warning',
+      title: 'Administrator Rights Required',
+      message: 'DiskOH needs administrator privileges to scan your drives.',
+      detail: 'Click "Yes" to restart the application with admin rights.',
+      buttons: ['Yes', 'Cancel'],
+      defaultId: 0,
+    })
+
+    if (response === 0) {
+      execFile('powershell.exe', [
+        '-NoProfile',
+        '-Command',
+        `Start-Process -FilePath "${app.getPath('exe')}" -Verb RunAs`,
+      ])
+      app.quit()
+      return false
+    } else {
+      app.quit()
+      return false
+    }
+  }
+
+  return true
+}