test(ModelPicker): fix failing tests

[remarkablemark]

What is the motivation for this pull request?

Fix failing tests in CI for ModelPicker component:

 FAIL  src/components/ModelPicker.test.tsx > ModelPicker > calls onClose on Escape
AssertionError: expected "vi.fn()" to be called at least once
 ❯ src/components/ModelPicker.test.tsx:174:21
    172|     stdin.write(KEY.ESCAPE);
    173|     await time.tick(20);
    174|     expect(onClose).toHaveBeenCalled();
       |                     ^
    175|   });
    176|

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 FAIL  src/components/ModelPicker.test.tsx > ModelPicker > calls onClose on Enter after models load
AssertionError: expected "vi.fn()" to be called 1 times, but got 0 times
 ❯ src/components/ModelPicker.test.tsx:210:21
    208|     await time.tick(10);
    209|
    210|     expect(onClose).toHaveBeenCalledTimes(1);
       |                     ^
    211|   });
    212|

Checklist:

• Conventional Commits
• Tests
• Documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
src/components/ModelPicker.tsx	100.00% <100.00%> (ø)

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