fix: mirror background canvas for front camera in fullscreen mode

src/components/tools/QrScanner.vue

@@ -470,6 +470,7 @@ const isUrl = (string) => {
             v-if="isFullscreen"
             ref="bgCanvas"
             class="camera-bg"
+            :class="{ 'is-mirrored': isMirrored }"
           ></canvas>
           <button v-if="isFullscreen" class="close-fullscreen-btn" @click="toggleFullscreen">
             <X size="24" />
@@ -638,6 +639,10 @@ const isUrl = (string) => {
   z-index: 0;
 }
 
+.camera-bg.is-mirrored {
+  transform: scaleX(-1);
+}
+
 .camera-feed {
   width: 100%;
   height: 100%;