Display custom data name instead of indices in TileData inspector

[groud]

Supersedes #66853
Closes #92149
Closes #76733

[groud]

Hmm, not sure what I can do about the CI error, I already added the compatibility method. Do I need to do something else? Or should I just add the errors to the list of expected changes? In 4.2-stable.expected I mean.

[AThousandShips]

You still need to add the line to the compat file yep

[akien-mga]

Thanks!