Accept editor line height as multiple of font size

Fixes #125980

Also makes all other types of requests return a 405 since they are not supported

Our api supports the concept of generic markup cell however our implementation currently only supports markdown. Rename functions to prepare to support markup

Fix #125865

Otherwise it might pick ctrl+enter by default which is confusing.
And escape should not change.

Add initial draft of enum array searchbox

Reuse notebook cell statusbar helpers and dispose properly

We only care about height changes. This drastically cuts down on the number of messages we post on resize

The other height value includes decimal values, which I don't think we want

It's better to update multiple elements in one loop instead of sending multiple messages

Update to `playwright@1.11.1`

* Adjust "provider is not registered" exception behavior

* Process cancellation in GH auth provider

`e.message` is always `undefined`

fixes #125470
#122044

fixes #125619

Ghost text improvements