Add back foregroundServiceType="dataSync" to FtpService

[TranceLove]

Description

To fix crash when starting FtpService by declaring foregroundServiceType="dataSync"

Issue tracker

Fixes #4377

Manual tests

• Done

• Pixel 3 emulator running stock Android 9

• Pixel 7 emulator running stock Android 15
  Both devices could start FtpService from the FtpServerFragment or through tile without crashing the app.

Build tasks success

Successfully running following tasks on local:

• ./gradlew assembledebug
• ./gradlew spotlessCheck

[Bambooin]

Verified with device, it's fixed with this patch.

[EmmanuelMess]

Verified with device, it's fixed with this patch.

If you can verify on device, and code is up to standard, then you should officially approve as a reviewer.

[Bambooin]

Verified with device, it's fixed with this patch.
If you can verify on device, and code is up to standard, then you should officially approve as a reviewer.

I can verify the pull request with Android phone, you can add me as the reviewer, thanks.

I am a heavy daily Amaze user and I often build it from the pull request for the latest feature or fix.

Ftp server is the main usage for me to transfer the files between Linux and macOS machines with Adroid phone.

[VishnuSanal]

Verified with device, it's fixed with this patch.
If you can verify on device, and code is up to standard, then you should officially approve as a reviewer.

I can verify the pull request with Android phone, you can add me as the reviewer, thanks.

I am a heavy daily Amaze user and I often build it from the pull request for the latest feature or fix.

Ftp server is the main usage for me to transfer the files between Linux and macOS machines with Adroid phone.

thanks for your long term support! + the nice words. :)