comments panel : fix comments when active track is single file

src/components/project/virtual-sample/DynamicView.vue

@@ -55,9 +55,8 @@ import { useDialogStore } from '../../../stores/dialog';
 import { useVirtualSampleStore } from '../../../stores/virtualSample';
 
 const { page } = storeToRefs(usePageStore());
-const { isCommentsOpen, isCommentPanelEnabled, activeTracks } = storeToRefs(
-  useDialogStore()
-);
+const { isCommentsOpen, isCommentPanelEnabled, activeTracks, openedFile } =
+  storeToRefs(useDialogStore());
 
 const { isCompareModeEnabled } = storeToRefs(useVirtualSampleStore());
 
@@ -67,6 +66,27 @@ const tracks = computed(
       .dynamic
 );
 
+const isSingleImage = computed(() => {
+  return (
+    activeTracks.value?.length === 1 &&
+    activeTracks.value[0]?.files.length === 1
+  );
+});
+
+const singleFile = computed(() => {
+  return isSingleImage.value && activeTracks.value[0].files[0];
+});
+
+watch(
+  singleFile,
+  (newValue) => {
+    if (newValue) {
+      openedFile.value = singleFile;
+    }
+  },
+  { immediate: true }
+);
+
 watch(isCompareModeEnabled, (newValue) => {
   if (newValue) {
     isCommentsOpen.value = false;