Presentation-time doesn't work for cursor surfaces

[emersion]

Since those are managed in wlr_output, presentation-time events are not sent (wlr_output has no access to the wlr_presentation resource, if any).

Not sure how to fix this.

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wlroots has migrated to gitlab.freedesktop.org. This issue has been moved to:

https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/1291