- Match update rate to css animation transition speed
- Fake fast progress initially, then slow down

This adds the fix for #18370 which was cherry picked to the Tyriar/xterm
vscode-release/1.9 branch (as it's in review).

Fixes #18370

Fixes #18368

Revert "If there is only one adapter with an initial configuration automatically pick it to simplify debug setup"

This reverts commit ac0856ef.

If there is only one adapter with an initial configuration automatically pick it to simplify debug setup

fixes #17774

- Disable and enable extensions with dependencies
- Check for dependents when disabling an extension
- Tests

This reverts commit 41cb5ee5.

each one can enable it in the user settings

Adds basic line number data to the output html of the markdown renderer

Fixes #16532

Fixes #18335

Removes the definition itself from the list of references shown in the TS code lens