🧹 Remove unused import in ColorResolverTest

[LeanBitLab]

🎯 What: Removed an unused import (org.mockito.kotlin.any) in app/src/test/java/com/leanbitlab/lwidget/ColorResolverTest.kt.
💡 Why: Unused imports clutter the codebase and can occasionally lead to confusion or slower compilation times. Removing them improves general code hygiene and readability.
✅ Verification: Verified the change by running the test suite (./gradlew :app:testDebugUnitTest --tests "com.leanbitlab.lwidget.ColorResolverTest") which passed successfully. Code review confirmed the fix is correct and introduces zero regressions.
✨ Result: A slightly cleaner and better-maintained test file.

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PR created automatically by Jules for task 17423548419368700847 started by @LeanBitLab

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