Stop minikube dashboard from crashing at start

[afbjorklund]

If the profile does not exist, it cannot load

Fixes #6324

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afbjorklund

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• OWNERS [afbjorklund]

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[codecov-io]

Codecov Report

Merging #6325 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #6325      +/-   ##
==========================================
- Coverage   38.23%   38.22%   -0.02%     
==========================================
  Files         123      123              
  Lines        8269     8273       +4     
==========================================
  Hits         3162     3162              
- Misses       4696     4700       +4     
  Partials      411      411

Impacted Files	Coverage Δ
cmd/minikube/cmd/dashboard.go	1.7% <0%> (-0.07%)	⬇️

[medyagh]

/ok-to-test

[minikube-bot]

Error: running mkcmp
2020/01/15 23:27:21 Executing run 1/3...
2020/01/15 23:27:21 Running: [/home/performance-monitor/minikube/out/minikube start]...
2020/01/15 23:27:21 0.328218: * minikube v1.7.0-beta.0 on Debian 9.11
2020/01/15 23:27:21 0.041597: * Selecting 'kvm2' driver from user configuration (alternates: [docker none])
! Unable to update kvm2 driver: download failed: https://github.com/kubernetes/minikube/releases/download/v1.7.0-beta.0/docker-machine-driver-kvm2?checksum=file:https://github.com/kubernetes/minikube/releases/download/v1.7.0-beta.0/docker-machine-driver-kvm2.sha256: invalid checksum: Error downloading checksum file: bad response code: 404
2020/01/15 23:27:22 0.549534: * Downloading driver docker-machine-driver-kvm2:
*
X Unable to start VM. Please investigate and run 'minikube delete' if possible

• Error: [KVM2_NOT_FOUND] new host: Driver "kvm2" not found. Do you have the plugin binary "docker-machine-driver-kvm2" accessible in your PATH?
• Suggestion: Please install the minikube kvm2 VM driver, or select an alternative --vm-driver
• Documentation: https://minikube.sigs.k8s.io/docs/reference/drivers/kvm2/
  : exit status 1

[minikube-pr-bot]

Error: running mkcmp: exit status 1