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Prevent terminal task system from trying to set a non-existent terminal as active
Updated terminal dispose parameter to be named immediate and used immediate parameter in terminal kill actions
Fixes #60858

Fixes #58371

Adds a new setting: `terminal.integrated.splitCwd`
With these options: `workspaceRoot`, `sourceInitialCwd`, `sourceCwd`
`workspaceRoot`is the existing behavior. The new split terminal's cwd will be the workspace root.
`sourceInitialCwd` uses the 'parent' terminals initial cwd for the new terminal.
`sourceCwd` on macOS and Linux this gets the cwd of the 'parent' terminal and uses that as the cwd for the new split terminal.
Default setting is to keep the existing behavior with `workspaceRoot`
Fixes #48447

Part of #60768

Fixes #60155

Part of #53526

Fixes #36897

 Wait to signal to the extHostTerminalService that the terminal is opened until the terminal has a name. (#58983)

Also added a change listener for title. Fixes #53057

Added find options checkboxes to terminal find widget with keybindings and hooked the buttons up to use the new xterm.js find api.

Fixes #58826 

Fixes #58256

Fixes #56217

This reverts commit 1f7ce421.

This reverts commit 95c0e072.

Fixes #56217

Fixes #57271

Fixes #48136

Fixes #56058

The default and only option is now dynamic

Fixes #54907

Part of #53274
Fixes #55344

Part of #53274
Fixes #55344

Fixes #54949

Fixes #54230

Fixes #51479

Fixes #37103

Fixes #52916

Fixes #29670