Expand bone name possibilities.

[fire]

Reduce the limits on bone names.

Continues: https://github.com/godotengine/godot/pull/46939/files
Fixes: #43482
Fixes: godotengine/godot-proposals#1855

[fire]

Updated test project.

GltfImporterRenamesBoneseUpdated.zip

[fire]

I noticed something weird where I lose the animation track. Doing another testing pass.

[fire]

I took https://github.com/KhronosGroup/glTF-Sample-Models/blob/master/2.0/RiggedSimple/glTF-Binary/RiggedSimple.glb and renamed the bones to .:@/".

The :/ character were stripped and the animation still works.

[akien-mga]

Since there are only two trivial patterns, maybe you could use String::replace() instead of RegEx and remove the RegEx dependency in this code? It's a module that can be disabled in theory, and this dependency was not properly guarded with MODULE_REGEX_ENABLED, but now we can simply remove it. (That's not critical though, just a suggestion.)

And so for bones we don't need to apply the same replaces as in String::validate_node_name()?

[fire]

I'll use replace.

Also, they never used the same replaces as String::validate_node_name() so I'm not going to limit them in the revision.

[akien-mga]

Looks good, please also remove the #include for the RegEx module.

[akien-mga]

Thanks!

[akien-mga]

Cherry-picked for 3.3.