Fixes #79981

Fixes #79982

Part of https://github.com/microsoft/vscode-remote-release/issues/1296

, not when the view is activated.

Fixes #79889

Part of #76941

The first argument is now the element that the command is executed on. The second argurment is an array of the other selected items

Part of #78168

#77747

* Workaround for #78388 (twistie not updating on has children change)

Fixes #78389

by fixing the tree width, which was not being set

Fixes #78177

Fixes #78178

Fixes #70707

Fixes #77000

Fixes #77418

We seem to use the readonly property way of exposing these values more widely. Standardizing this a bit across the codebase

Fixes #77001

Not just on selection change

Fixes #76998

Fixes  #77072

Part of #63566

Auto expand initial state of tree nodes is not yet implemented.
Part of #63566

The panel currently exposes a `disposables` protected member. In order to catch possible leaks of disposables, we should extend `Disposable` instead

#70020

In `Action.run` methods, we don't need an explicit null return value but can use undefined instead