fixes #90499

Fixes #91606

Fixes #93875

The data field should not be optional as this breaks strict null typings. With `EventEmitter<void>`, you can still call `.fire()` with no arguments

Fixes #94216

For #77131

The team would like to discuss this API further before finalizing it. `CustomTextEditor` will still be finalized this iteration

Fixes #93848

Fixes #94125

#93963

For #93963
For #77131

For #93851

For #93852
For #77131

For #93858

Fixes #93867
For #77131

This property is no longer needed (or very helpful) with the current api design

For #77131

Fixes #91656

Fixes #22353

StatusBarItem is one of the few places in our API where we only allow extensions to give us a command as a `string` instead of as `Command` object. This change updates the API to also allow passing in a `vscode.Command` (which also allows arguments!)

For #85160

Fixes #91399

Fixes #62103

Fixes #85160