fix: Remove upload and download buttons form the graph-engine toolbar

[not-in-stock]

Description

Fixes a part of #2911

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How to test this

1. Open graph engine canvas.
2. A toolbar shouldn't contain upload and download buttons.

Screenshots or video (if necessary):

---

• This PR's content is either hand-written or thoroughly code-reviewed by me and I fully understand and am accountable for this PR.

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[LilithWittmann]

You cant just remove it globally from all places the graph engine is used. You need to make that configurable.

[not-in-stock]

You cant just remove it globally from all places the graph engine is used. You need to make that configurable.

@LilithWittmann you're right it can be configured in the Editor component.
Like this https://github.com/tokens-studio/studio-app/pull/2962/commits/7e8bcdc5beb4903aa3a30c7488375bd78caf6134