feat(playground): add tool role messages to ui (#5103)

* get tool cals working for non tool roles

* renaming

* plumb through tool calls to server

* add tool role message ui

* mikeldking: small style changes

* fix: Align vertical edge padding across playground message editors (#5134)

* update tool and chat copy to clipboard

* update message types for subscriptions on server, change message tool calls and mode when switching off of ai

* buld gql

* add descriptions to gql fields

* update to_openai_tool_call to take in a single tool and return a single tool call param

* build graphql

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Co-authored-by: Mikyo King <mikyo@arize.com>
Co-authored-by: Anthony Powell <apowell@arize.com>