RFR: JDK-8297032: IGV: shortcut to center selected nodes

Tue Nov 15 18:30:13 UTC 2022

On Tue, 15 Nov 2022 13:39:45 GMT, Tobias Holenstein <tholenstein at openjdk.org> wrote:

> Introduce a new shortcut `CTRL-9`/ `CMD-9` to center the nodes that are currently selected in IGV
> 
> ![center_selected_nodes](https://user-images.githubusercontent.com/71546117/201934216-0b65caa2-af62-4083-877b-e5747d5409ee.png)

Looks good to me! A nit (up to you whether you want to address it in this PR): you might disable the action when no node is selected, similarly to the node extraction action.

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Marked as reviewed by rcastanedalo (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11167