fixes #93574

Fixes #93416

There's still a line that can cause a freeze

Fixes #93398

* split orientation fixes

* terminal now works across moves

* fix theming

* fixes #93415

* Update src/vs/workbench/contrib/terminal/browser/terminalInstance.ts
Co-Authored-By: NDaniel Imms <tyriar@tyriar.com>
Co-authored-by: NDaniel Imms <tyriar@tyriar.com>

debug: fix debug toolbar not updating when context keys were set

fixes #93464

fixes #93494

* Added 2 settings for the scrollbar height of breadcrumbs and tabs

* Added 2 settings for the scrollbar height of breadcrumbs and tabs

* Moved from pixel based scrollbar settings to a categorical sizing setting, default and large

* some cleanup and 💄

* Use updateOptions to update the horizontal scrollbar size
Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>
Co-authored-by: NAlex Dima <alexdima@microsoft.com>

This reverts commit ebcc8208.

Part of #90087