I was wondering about the intent of `updatePaintColorByZValue(..zInImagePixel)` since any value leads to the same outcome: https://github.com/tauri-apps/plugins-workspace/blob/7e1c17a635f10d69e10ea9f35081a68c71276203/plugins/barcode-scanner/android/src/main/java/GraphicOverlay.kt#L95-L99