Create VM Wizard: conditionally rendered Import provision source

[mareklibra]

The V2V Import VMware option is supposed to be rendered just in case
that related infrastructure is deployed on the cluster.

In other words, check for presence of V2VVMware CRD is introduced.

As we have just a single provider (VMware) so far, the higher-level
"Import"-provision type is not rendered if the CRD is missing.

[coveralls]

Pull Request Test Coverage Report for Build 2160

• 4 of 4 (100.0%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 82.482%

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Files with Coverage Reduction	New Missed Lines	%
src/components/Wizard/CreateVmWizard/initialState/vmSettingsTabInitialState.js	1	91.67%

Totals
Change from base Build 2156:	-0.02%
Covered Lines:	4006
Relevant Lines:	4650

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💛 - Coveralls

[atiratree]

This approach is okay for now due to having only one import provider, but it should be changed in the future if other providers get included.

[atiratree]

please add the isV2vVmwareCrd with false as a default. This could break things in the future if somebody for example chose to use it for asHidden which takes distinction of undefined and false into account.

[mareklibra]

ok, but the default false is recently handled via CreateVmWizard default prop.

[atiratree]

ok, just to be sure to have a better contract

[mareklibra]

This approach is okay for now due to having only one import provider, but it should be changed in the future if other providers get included.

That's the plan. But so far the potentially empty list of providers would be confusing. In addition, this is meant as a workaround for potential project planing or cluster mis-configuration issues.