Update web version 0.51.0

[github-actions]

Release notes https://github.com/deephaven/web-client-ui/releases/tag/v0.51.0

0.51.0 (2023-10-24)

Bug Fixes

• Adjusted Monaco "white" colors (#1594) (c736708), closes #1592
• cap width of columns with long names (#1574) (876a6ac), closes #1276
• Enabled pointer capabilities for Firefox in Playwright (#1589) (f440a38), closes #1588
• Remove @deephaven/app-utils from @deephaven/dashboard-core-plugins dependency list (#1596) (7b59763), closes #1593
• Tab in console input triggers autocomplete instead of indent (#1591) (fbe1e70)

Features

• Theming - Spectrum Provider (#1582) (a4013c0), closes #1543
• Theming Iris Grid (#1568) (ed8f4b7)
• web-client-ui changes required for deephaven.ui (#1567) (94ab25c)
• Widget plugins (#1564) (94cc82c), closes #1455 #1167

BREAKING CHANGES

• usePlugins and PluginsContext were moved from
  @deephaven/app-utils to @deephaven/plugin.
• useLoadTablePlugin was moved from @deephaven/app-utils to
  @deephaven/dashboard-core-plugins.
• useConnection and ConnectionContext were moved from
  @deephaven/app-utils to @deephaven/jsapi-components.
• DeephavenPluginModuleMap was removed from @deephaven/redux. Use
  PluginModuleMap from @deephaven/plugin instead.

• Enterprise will need ThemeProvider for the css
  variables to be available

[mofojed]

Need to include documentation on widget plugins, theme plugins.

[deephaven-internal]

Labels indicate documentation is required. Issues for documentation have been opened:

How-to: https://github.com/deephaven/deephaven.io/issues/3345
Reference: https://github.com/deephaven/deephaven.io/issues/3344