fix(grid): preserve scroll position across transpose toggle

apps/desktop/src/components/grid/DataGrid.vue

@@ -1927,6 +1927,8 @@ const gridStyle = computed(() => ({
 const gridHorizontalScrollLeft = ref(0);
 const gridViewportWidth = ref(0);
 let gridScrollLeftBeforeTranspose = 0;
+let gridScrollTopBeforeKeyboardTranspose: number | null = null;
+let restoreGridScrollTopAfterTranspose = false;
 const {
   renderedColumnOffsets,
   horizontalColumnWindow,
@@ -6093,13 +6095,18 @@ function toggleKeyboardTranspose(): boolean {
     selectedRowIds: selectedRowIds.value,
     selectedRange: selectedRange.value,
   });
+  if (next.showTranspose) {
+    gridScrollTopBeforeKeyboardTranspose = gridScrollerElement()?.scrollTop ?? null;
+  } else if (gridScrollTopBeforeKeyboardTranspose !== null) {
+    restoreGridScrollTopAfterTranspose = true;
+  }
   showTranspose.value = next.showTranspose;
   transposeRowIndex.value = next.transposeRowIndex;
   if (next.showTranspose) {
     closeCellDetails();
     nextTick(updateTransposeViewport);
     if (next.transposeRowIndex !== null) scrollTransposeRecordIntoView(next.transposeRowIndex);
-  } else {
+  } else if (!restoreGridScrollTopAfterTranspose) {
     scrollGridRowIntoView(requestedRowIndex);
   }
   return true;
@@ -6825,10 +6832,14 @@ watch(isTransposeMode, (active) => {
     return;
   }
 
+  const scrollTopBeforeTranspose = restoreGridScrollTopAfterTranspose ? (gridScrollTopBeforeKeyboardTranspose ?? undefined) : undefined;
+  restoreGridScrollTopAfterTranspose = false;
+  gridScrollTopBeforeKeyboardTranspose = null;
   nextTick(() => {
     restoreDataGridAfterTranspose({
       scroller: gridScrollerElement(),
       scrollLeftBeforeTranspose: gridScrollLeftBeforeTranspose,
+      scrollTopBeforeTranspose,
       attachCanvasResizeObserver,
       refreshGridScrollerMetrics,
     });