If "suspend when inactive" is enabled, system goes to sleep despite io.elementary.files copying files.

### What Happened?

While copying files from the phone over MTP, using io.elementary.files, system went to sleep due to inactivity.

### Steps to Reproduce

1. Set "Suspend when inactive" timer
2. Connect an Android device
3. Start a large copy job from the phone to a home folder
4. See it go to sleep in the middle of the job

### Expected Behavior

Long running tasks should count as activity.

### OS Version

7.x (Horus)

### Software Version

Latest release (I have run all updates)

### Log Output

_No response_

### Hardware Info

HP EliteBook 8460p