Selecting the folder path when creating a task opens a folder picker which cannot be exited

[Leilei332]

• [x] I have read the above note

What version of Round Sync are you using (About -> App version)?

2.5.4

What is your Android version, phone model and manufacturer?

Android 8, Honor 7C

Which steps are required to reproduce this issue?

Example:

1. Create a task
2. In the wizard select either the local path or remote path
3. The folder picker for the "Local Storage" appears, it keeps poping up even when you selected a folder or pressed the back button in the navigation bar.