[iOS][TS] Fix D&D a non collapsed group in strip

The count of `_visibleItemsDuringDrag` could be less than `destinationItemIndex` if
the local dragged group is not yet collapsed.
In that case, prevent drop operations.

Bug: 391818636
Change-Id: I25dec1c6fa68a7379222348f390d139ba78dd153
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6235265
Commit-Queue: Ewann Pellé <ewannpv@chromium.org>
Reviewed-by: Louis Romero <lpromero@google.com>
Cr-Commit-Position: refs/heads/main@{#1416186}
NOKEYCHECK=True
GitOrigin-RevId: b7811610db2d7758efd1c1e1e24aac50eaa26e06
1 file changed
tree: ee2823bda054d91c98c1856a047877b723b6e968
  1. build/
  2. chrome/
  3. components/
  4. google_internal/
  5. intents/
  6. net/
  7. public/
  8. testing/
  9. third_party/
  10. tools/
  11. web/
  12. web_view/
  13. .swift-format
  14. BUILD.gn
  15. COMMON_METADATA
  16. DEPS
  17. DIR_METADATA
  18. features.gni
  19. OWNERS
  20. PRESUBMIT.py
  21. PRESUBMIT_test.py
  22. README.md
README.md

This directory holds code related to Chrome for iOS. See this document for a description of the structure underneath this directory.