Refactor `useTresContextProvider` to use `createInjectionState`

[alvarosabu]

Description

As a maintainer of TresJS, I would like to use VueUse battle-tested https://vueuse.org/shared/createInjectionState/ for the TresContext

Suggested solution

https://vueuse.org/shared/createInjectionState/

Alternative

No response

Additional context

No response

Validations

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• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.