Filters: Hide `Save view` button by default if not using `views` renderMode

[myarmolinsky]

Filters: Hide Save view button by default if not using views renderMode

Change-type: patch

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Contributor checklist

• [ ] I have regenerated jest snapshots for any affected components with npm run generate-snapshots

Reviewer Guidelines

• When submitting a review, please pick:
  • 'Approve' if this change would be acceptable in the codebase (even if there are minor or cosmetic tweaks that could be improved).
  • 'Request Changes' if this change would not be acceptable in our codebase (e.g. bugs, changes that will make development harder in future, security/performance issues, etc).
  • 'Comment' if you don't feel you have enough information to decide either way (e.g. if you have major questions, or you don't understand the context of the change sufficiently to fully review yourself, but want to make a comment)

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[myarmolinsky]

LGTM