Update web version 0.49.1

[github-actions]

Release notes https://github.com/deephaven/web-client-ui/releases/tag/v0.49.1

Bug Fixes

• Copy did not work from embedded iframes (#1528) (3549a33), closes #1527
• Dehydration of class components (#1535) (3e834de), closes #1534
• inconsistent drag for webkit (#1518) (cd5408c), closes #1360
• Render tables partitioned by non-string columns (#1533) (585b2ff), closes #1441
• Right clicking with a custom context menu open should open another context menu (#1526) (bd08e1f), closes #1525

0.49.0 (2023-09-15)

Bug Fixes

• Plugin peer dependencies do not get versions from lerna (#1517) (322f6ff)
• Table overflow button has lower priority than grid tokens (#1510) (32e6d20), closes #1480

Code Refactoring

• Improve table saver to always use the correct service worker (#1515) (2488e52), closes #766

Features

• Update go to row panel's row number with cursorRow (#1508) (23ab5cc), closes #1406

BREAKING CHANGES

• TableSaver now expects the service worker to send it
  a complete URL for download instead of just a file name. DHE will need
  to adjust its serviceWorker.js to incorporate the same changes from
  this PR.