🧹 [Code Health] Extract nested dpToPx function from buildAppWidgetRemoteViews

[LeanBitLab]

🎯 What: Extracted the nested dpToPx utility function from inside buildAppWidgetRemoteViews to the Companion object of AwidgetProvider, adding a Context parameter. Updated all internal call sites to use the companion method.

💡 Why: This improves maintainability by removing a stateless utility function from the body of a very large function. It prevents re-evaluating the function declaration every time buildAppWidgetRemoteViews is called, and cleans up the visual structure of the layout logic.

✅ Verification: Verified by compiling the project, running unit tests, and successfully building the debug APK. No functionality was changed.

✨ Result: A cleaner, flatter function structure in AwidgetProvider and a slightly more optimized layout update loop.

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PR created automatically by Jules for task 12704772759638415777 started by @LeanBitLab

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