Locked group: workbench.editor.experimentalAutoLockGroups doesn't mention that value is an array of editor types

[aeschli]

Testing #131196

The test item asked if the description of workbench.editor.experimentalAutoLockGroups is understandable.

Experimental: lock a group automatically when an editor is the first in the group and more than one 
group is open. Locked groups will only be used for opening editors when explicitly chosen by user
gesture (e.g. drag and drop), but not by default. Consequently the active editor in a locked group is
less likely to be replaced accidentally with a different editor.

	"workbench.editor.experimentalAutoLockGroups": [
		"workbench.editors.terminal"
	]

What I'm missing is the description what the values are.
I think it might be easier to start with the value:

If an editor of the listed types is opened as the first in an editor group, the group is automatically locked. 
Locked groups are not used when new editors ar opened unless explicitly chosen by user 
gesture (e.g. drag and drop).

But I wonder is such a general setting is really needed. There could be a terminal specific setting that is easier to understand.

Open terminals in editor area to the side in locked groups

[bpasero]

We have #131587 to offer help in filling in the possible values.

As for a terminal specific setting: that is what I had first, but then others expressed interest in being able to use auto-locking for other editors like markdown preview where it makes sense too.

Moving to August to review the wording of the setting based on your suggestion.

[bpasero]

Changed the first sentence of the settings description to:

Experimental: If an editor matching one of the listed types is opened as the first in an editor group and more than one group is open, the group is automatically locked.