Node name collisions in Blender 3.5

In Blender 3.5, there are several collisions of `node_type.bl_rna.name.lower()`, for example `TextureNodeGroup` and `GeometryNodeGroup` are both "Group" and it's the "Texture" one which gets registered as `group()`. The same with "Math". This leads to errors like this:

```
RuntimeError: Error: Cannot add node of type TextureNodeMath to node tree 'Test'
Not a texture node tree
```

A possible solution would be sorting the list of node types before registration so that those where `node_type.__name__.startswith('GeometryNode')` are registered last. If you think this is the way to solve this, I can submit a PR.