CameraScreen: avoid ghost quads when live analysis starts

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraScreen.kt

@@ -152,6 +152,10 @@ fun CameraScreen(
         }
     }
 
+    LaunchedEffect(Unit) {
+        cameraViewModel.resetLiveAnalysis()
+    }
+
     val listState = rememberLazyListState()
     LaunchedEffect(document.pageCount()) {
         if (!document.isEmpty()) {

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraViewModel.kt

@@ -89,8 +89,14 @@ class CameraViewModel(appContainer: AppContainer): ViewModel() {
         }
     }
 
+    fun resetLiveAnalysis() {
+        quadStabilizer = QuadStabilizer()
+        _liveAnalysisState.value = LiveAnalysisState()
+    }
+
     fun onCapturePressed(frozenImage: Bitmap) {
         _captureState.value = CaptureState.Capturing(frozenImage)
+        resetLiveAnalysis()
     }
 
     private fun onCaptureProcessed(captured: CapturedPage?) {