Steps to reproduce:

1.  Create a new 2D project
2. Open the Tile Palette window by navigating to Window > 2D > Tile Palette
3.  Click on the "Create New Tilemap" / "Default Brush" dropdown
4. Then click on the "Create New Tile Palette" dropdown
5. Observe the position of the "Create New Tile Palette" dropdown window
6. If the issue doesn't reproduce immediately, repeat steps 3–5 multiple times

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Actual results: The "Create New Tile Palette" / "Default Brush" dropdown occasionally appears misaligned, detached, or offset from its expected position

Expected results: The dropdown should always appear correctly aligned beneath the "Create New Tile Palette" / "Default Brush" button

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Reproducible with versions: 1.0.0 (2023.2.0f1, 6000.0.45f1, 6000.1.0b15, 6000.2.0a9)

Not reproducible with versions: 1.0.0 (2022.3.61f1, 2023.1.20f1)

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Tested on (OS): macOS 15.5