[Contact Shadows] - fake plane not using renderer background from Environment

[alvarosabu]

Describe the bug

When using <Environment /> and <ContactShadows /> together, the fake plane for the shadows uses the clearColor instead. (Is not setting the background property)

Reproduction

https://stackblitz.com/edit/tresjs-basic-7kj23l?file=src%2Fcomponents%2FTheExperience.vue,package.json,src%2FApp.vue

Steps to reproduce

System Info

System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 18.18.0 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 9.4.2 - /usr/local/bin/npm
    pnpm: 8.9.2 - /usr/local/bin/pnpm
  npmPackages:
    @tresjs/cientos: 3.5.1 => 3.5.1 
    @tresjs/core: 3.4.1 => 3.4.1 
    vite: ^4.3.8 => 4.4.9 `

Used Package Manager

npm

Code of Conduct

• [X] I agree to follow this project's Code of Conduct
• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] The provided reproduction is a minimal reproducible example of the bug.

[stackblitz[bot]]

Start a new pull request in StackBlitz Codeflow.

• tresjs-basic-7kj23l (Open reproduction)

[alvarosabu]

You can solve this by removing the clearColor from the canvas props