Fix Raft config provided in YAML

[gw0]

According to the improvement in #213 I attempted to use YAML config in Raft mode. It turns out, that the type check in this situation does not work correctly.

  ha:
    enabled: true
    #config: {}  # uncomment as a workaround for this bug (#406) to provide the correct type
    raft:
      enabled: true
      config:
        ...(yaml config)...

Results in:

Error: template: vault/templates/server-config-configmap.yaml:26:18: executing "vault/templates/server-config-configmap.yaml" at <.Values.server.ha.raft.config>: wrong type for value; expected string; got map[string]interface {}

[jasonodonnell]

Sorry for the delay @gw0, good catch on this bug. It seems this broke a bunch of unit tests, though?

[gw0]

Yeah, I did not manually run the unit tests and I do not want to log into CircleCI in order to see the details of what is failing.

[hashicorp-cla]

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