[community-operator Hem chart] Add very useful values for pod scheduling

[MaesterZ]

Issues: https://github.com/mongodb/helm-charts/issues/254 https://github.com/mongodb/helm-charts/issues/308

Superseeds PR https://github.com/mongodb/helm-charts/pull/248 (to close).

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Add very useful values for pod scheduling:

• affinity (moved default to values)
• nodeSelector
• schedulerName
• tolerations
• topologySpreadConstraints

Sort keys alphabetically and use with instead of if when relevant.

[MaesterZ]

Supersedes https://github.com/mongodb/helm-charts/pull/248/

Anyone to review this?

[github-actions[bot]]

This PR is being marked stale because it has been open for 60 days with no activity. Please update the PR or ask for a fresh review.

[MaesterZ]

Is it possible to get a review?