The search field has an additional icon that has no functionality

Steps to reproduce:

1. Create  a project (Universal 2D)
2. Set Unity theme to "Light"
3. Go to the "Project" window
4. Click "Create" -> Shader Graph -> Blank Shader Graph
5. Verify that it is created
6. Select it, double-click it, and verify that the "New Shader Graph" window opens
7. Go to the shader graph window
8. Right-click -> Create Node
9. Verify that the "Create Window" window opens
10. Observe the search field UI and functionality

Actual results: Mentioned the search field as an arrow next to the search icon, which does nothing.

Expected results: The Arrow should be hidden.

Reproducible with versions: 17.0.4(6000.0.53f1), 17.1.0(6000.1.11f1), 17.2.0(6000.2.0b10), 17.3.0(6000.3.0a2)

Not reproducible with versions: -

Can’t test with versions: -

Tested on (OS): M1 Max - Sequoia 15.5