Added object support to Godot exporter

[Skrapion]

Now supporting objects in the Godot 4 exporter initially added in pull #3550.

Video showing it off here: https://www.youtube.com/watch?v=3UfOOdepDDw

[Lexpeartha]

Also it might be useful to have custom properties to rename node added as object (which I really think should be default node's name by default).

[Lexpeartha]

@Skrapion @bjorn any news on this PR?

[Blucky87]

@bjorn is there any movement on this PR?

[bjorn]

@Lexpeartha @Blucky87 The original author hasn't responded to my feedback and I'm not sure if they are still interested in finishing this change. I could try to do it myself, but I am not very familiar with Godot.

If you need object support when using Tiled maps in Godot 4 now, I would suggest you give https://github.com/Kiamo2/YATI a try instead. If there is a reason to prefer Tiled's export plugin, please let me know!

[Skrapion]

Finally got back to this! Thanks for your review, and your patience, @bjorn.

[bjorn]

@Skrapion I'm glad you've come back to life! I left some additional feedback. :-)

[Skrapion]

Okay, this should be good to go as soon as CI completes. But whether we use commit 6bde51c or dd6eb6d requires a judgement call. See the review

[bjorn]

@Skrapion Thanks a lot for finishing this nice addition!