We compile using the alwaysStrict flag so these directives are not needed

This part removes most `use strict` directives that are right after the file header

 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

This reverts commit 1f7ce421.

This reverts commit 95c0e072.

Fixes #56217

Fixes #54096

Fixes #53107

Fixes #47615

Part of #46192

Part of #46192