fix(language_server): do not tell clients about codeActionProvider when they do not support codeActionLiteralSupport

[Sysix]

VSCode output:

                "codeActionLiteralSupport": {
                    "codeActionKind": {
                        "valueSet": [
                            "",
                            "quickfix",
                            "refactor",
                            "refactor.extract",
                            "refactor.inline",
                            "refactor.rewrite",
                            "source",
                            "source.organizeImports"
                        ]
                    }
                },

See also eslint implementation https://github.com/microsoft/vscode-eslint/blob/b33437b5ad9ca6c8829f373a92679660c177991b/server/src/eslintServer.ts#L221-L225

[graphite-app]

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[nrayburn-tech]

IntelliJ options for reference.

codeActionLiteralSupport = CodeActionLiteralSupportCapabilities [
  codeActionKind = CodeActionKindCapabilities [
    valueSet = ArrayList (
      "quickfix",
      "",
      "source",
      "refactor"
    )
  ]
]