Fix: [Bug] Do not render editor action buttons (save/discard) when displaying non-code files

[malhotra5]

End-user friendly description of the problem this fixes or functionality that this introduces

• [ ] Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below

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Give a summary of what the PR does, explaining any non-trivial design decisions

We checks if the selected file matches expected filetypes for assets that aren't code files. In this case we decide not to render the action buttons

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Link of any specific issues this addresses #4899