[Bug] Spectrum color picker behavior

[maxilla-0]

The ring and square are focused at the same time.
Makes precise color picking hard.
And the area between the inside square and outside ring is used by the ring.

Screen_Recording_20260813_000228_xnotes.mp4

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xnotes 0.8.10 (47)
samsung SM-X710
Android 16 (API 36)