feat: support dropping folders on Gltf UI component

[nicoecheza]

closes decentraland/sdk#725

If the user drops a folder that has only one child across the whole chain of childrens, and that child is an asset, we will use it to create the Gltf component

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Pages

Latest commit:	41ee15f
Status:	✅  Deploy successful!
Preview URL:	https://e0fb4ac8.js-sdk-toolchain.pages.dev
Branch Preview URL:	https://feat-support-gltf-folder-dro.js-sdk-toolchain.pages.dev

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[github-actions]

Test this pull request

• The @dcl/sdk package can be tested in scenes by running

  npm install "https://sdk-team-cdn.decentraland.org/@dcl/js-sdk-toolchain/branch/feat/support-gltf-folder-drop/dcl-sdk-7.1.8-4747105307.commit-22917bd.tgz"

• To test with npx init

  export SDK_COMMANDS="https://sdk-team-cdn.decentraland.org/@dcl/js-sdk-toolchain/branch/feat/support-gltf-folder-drop/dcl-sdk-commands-7.1.8-4747105307.commit-22917bd.tgz"
  npx $SDK_COMMANDS init

• The @dcl/inspector package can be tested by visiting this url

  • Or by installing it via NPM

  npm install "https://sdk-team-cdn.decentraland.org/@dcl/js-sdk-toolchain/branch/feat/support-gltf-folder-drop/@dcl/inspector/dcl-inspector-7.1.8-4747105307.commit-22917bd.tgz"

• The /changerealm command to test test in-world

  /changerealm https://sdk-team-cdn.decentraland.org/ipfs/feat/support-gltf-folder-drop-e2e
  

• You can preview this build entering:
  https://playground.decentraland.org/?sdk-branch=feat/support-gltf-folder-drop

[codecov]

Codecov Report

Patch coverage: 25.00% and project coverage change: -0.05 ⚠️

Comparison is base (00dea08) 66.21% compared to head (eaaf847) 66.16%.

❗ Current head eaaf847 differs from pull request most recent head 41ee15f. Consider uploading reports for the commit 41ee15f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #531      +/-   ##
==========================================
- Coverage   66.21%   66.16%   -0.05%     
==========================================
  Files         219      219              
  Lines        7665     7670       +5     
  Branches      930      930              
==========================================
  Hits         5075     5075              
- Misses       2490     2495       +5     
  Partials      100      100              

Impacted Files	Coverage Δ
...ector/src/components/ProjectAssetExplorer/utils.ts	0.00% <0.00%> (ø)
packages/@dcl/inspector/src/lib/logic/once.ts	100.00% <100.00%> (ø)

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