feat: emotes v2

[leanmendoza]

Fix #145

Support non-default emotes, and emotes V2 (with audio and extra meshes)

What?

• Separate gltf loading pipeline with content_type
  • 1=Wearable doesn't generate colliders
  • 2=Emotes doesn't generate colliders and prepare emote animations
  • _=Scene Content, it generates colliders
• Bundle default emotes, shared resource reference between avatars
• Separate animation libraries, now, default emotes and locomotion are immutable shared resource
• Idle animation is unique resource per avatar, it's cloned in the constructor. The tracks on it depends on equipped emotes

[codecov-commenter]

Codecov Report

Attention: 47 lines in your changes are missing coverage. Please review.

Comparison is base (3ea2b95) 48.25% compared to head (a885908) 49.10%.

Files	Patch %	Lines
rust/decentraland-godot-lib/src/avatars/item.rs	68.04%	31 Missing ⚠️
...ntraland-godot-lib/src/content/content_provider.rs	74.19%	8 Missing ⚠️
...entraland-godot-lib/src/content/content_mapping.rs	81.25%	3 Missing ⚠️
rust/decentraland-godot-lib/src/content/gltf.rs	98.57%	2 Missing ⚠️
rust/decentraland-godot-lib/src/dcl/js/runtime.rs	0.00%	2 Missing ⚠️
...ot-lib/src/scene_runner/components/video_player.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #246      +/-   ##
==========================================
+ Coverage   48.25%   49.10%   +0.84%     
==========================================
  Files         152      152              
  Lines       18098    18307     +209     
==========================================
+ Hits         8734     8990     +256     
+ Misses       9364     9317      -47     

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[kuruk-mm]

This is great!! 😄