Unity SDK: Fix SpecHealth parsing

[cadfoot]

What type of PR is this?

/kind breaking

/kind bug

/kind cleanup
/kind documentation
/kind feature
/kind hotfix

What this PR does / Why we need it:

Fix type cast error in Unity SDK when parsing SpecHealth

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

The issue occurs only when health check is disabled.
disabled value is already type of bool (boxed), thus casting it to string causes InvalidCastException

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[cadfoot]

@googlebot I signed it!

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[agones-bot]

Build Succeeded 👏

Build Id: db680aa6-0af1-4229-a425-868b02d7ad4c

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.6.0-dafc008
• image: gcr.io/agones-images/agones-sdk:1.6.0-dafc008
• image: gcr.io/agones-images/agones-ping:1.6.0-dafc008
• Linux C++ SDK (build): agonessdk-1.6.0-dafc008-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.6.0-dafc008.zip

A preview of the website (the last 30 builds are retained):

• https://dafc008-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1510/head:pr_1510 && git checkout pr_1510
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.6.0-dafc008

[agones-bot]

Build Succeeded 👏

Build Id: 04ce5720-d92d-4d8b-bb48-2183aa126a34

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.6.0-fa2fd20
• image: gcr.io/agones-images/agones-sdk:1.6.0-fa2fd20
• image: gcr.io/agones-images/agones-ping:1.6.0-fa2fd20
• Linux C++ SDK (build): agonessdk-1.6.0-fa2fd20-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.6.0-fa2fd20.zip

A preview of the website (the last 30 builds are retained):

• https://fa2fd20-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1510/head:pr_1510 && git checkout pr_1510
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.6.0-fa2fd20

[markmandel]

Nice catch! Approved! 👍

[google-oss-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cadfoot, markmandel

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[google-oss-robot]

New changes are detected. LGTM label has been removed.

[agones-bot]

Build Succeeded 👏

Build Id: 194294ab-3ea4-4424-8945-e473dfc4a8c8

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.6.0-204d870
• image: gcr.io/agones-images/agones-sdk:1.6.0-204d870
• image: gcr.io/agones-images/agones-ping:1.6.0-204d870
• Linux C++ SDK (build): agonessdk-1.6.0-204d870-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.6.0-204d870.zip

A preview of the website (the last 30 builds are retained):

• https://204d870-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1510/head:pr_1510 && git checkout pr_1510
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.6.0-204d870

[cadfoot]

just found out I messed up with the last commit and brought bad casting back, fixing this

[agones-bot]

Build Succeeded 👏

Build Id: afbfe1f8-3b9a-4fab-bb3a-ba66cf6106f8

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.6.0-6e2c771
• image: gcr.io/agones-images/agones-sdk:1.6.0-6e2c771
• image: gcr.io/agones-images/agones-ping:1.6.0-6e2c771
• Linux C++ SDK (build): agonessdk-1.6.0-6e2c771-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.6.0-6e2c771.zip

A preview of the website (the last 30 builds are retained):

• https://6e2c771-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1510/head:pr_1510 && git checkout pr_1510
• helm install ./install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.6.0-6e2c771