Greeter session does not use the elementary icon on OS 9 Daily

### What Happened?

What it says on the tin:

Not sure which component handles this though.

### Steps to Reproduce

1. Install OS 9 Daily
2. After successful installation and reboot, see Initial Setup and Greeter is not styled in the elementary icon

### Expected Behavior

Greeter session should use the elementary icon.

### OS Version

Early Access

### OS Architecture

amd64 (on most hardwares)

### Session Type

Secure Session (Wayland, This is the default)

### Software Version

Early Access or Compiled from git

### Log Output

```shell

```

### Hardware Info

_No response_

Reproduce the issue on elementary OS 9 Daily with the default secure Wayland session, then locate the component responsible for the Initial Setup and Greeter session icon. Compare the displayed icon with the expected elementary icon and verify the corrected behavior after rebuilding or restarting the greeter.

Written by the indexing model from the issue text.