fix: remember last selected camera

Author: LittleSound

app/components/Scan.vue

@@ -64,8 +64,11 @@ watchEffect(() => {
 let qrScanner: QrScanner | undefined
 
 watch(cameras, () => {
-  if (selectedCamera.value && cameras.value.find(i => i.deviceId === selectedCamera.value))
-    qrScanner?.setCamera(selectedCamera.value)
+  if (selectedCamera.value && cameras.value.find(i => i.deviceId === selectedCamera.value)) {
+    setTimeout(() => {
+      qrScanner?.setCamera(selectedCamera.value!)
+    }, 250)
+  }
 })
 
 const error = ref<any>()