Ensure the in-person verifcation profile has an enrollment record

[h-m-m]

🛠 Summary of changes

In theory, it should never happen that the profile is pending verification and the enrollment record does not exist. A previous discussion in a meeting that I missed brought up the point that the factory does not address this properly.

This is essentially pulling @aduth's work out of #11129 , one of the smallest pieces of that PR that is still useful to the development team on its own. In fact, in pairing with @eileen-nava on this, I basically retraced much of what @aduth had done before @eileen-nava pointed out the repetition.

We looked at pulling in more from #11129 , and doing so looked like it might double the level of effort

📜 Testing Plan

At @eileen-nava's suggestion when we were working together, we walked through inserting a binding.pry in a test that uses this factory and made sure that we got appropriate results back. I'm greatful to Eileen for walking me through a complicated process that I didn't understand and pointing out which details should be checked. For example:

From: /Users/hmiller/workspace/identity-idp/spec/models/profile_spec.rb:1053 :

    1048:   describe '#deactivate_due_to_in_person_verification_cancelled' do
    1049:     let(:profile) { create(:profile, :in_person_verification_pending) }
    1050:     context 'when the profile does not have a deactivation reason' do
    1051:       it 'updates the profile and sets the deactivation reason to "verification_cancelled"' do
    1052:         binding.pry
 => 1053:         expect(profile.deactivation_reason).to be_nil

[1] pry(#<RSpec::ExampleGroups::Profile::DeactivateDueToInPersonVerificationCancelled::WhenTheProfileDoesNotHaveADeactivationReason>)> profile.user.has_establishing_in_person_enrollment?
=> false
[2] pry(#<RSpec::ExampleGroups::Profile::DeactivateDueToInPersonVerificationCancelled::WhenTheProfileDoesNotHaveADeactivationReason>)> profile.in_person_verification_pending?
=> true
[3] pry(#<RSpec::ExampleGroups::Profile::DeactivateDueToInPersonVerificationCancelled::WhenTheProfileDoesNotHaveADeactivationReason>)> profile.user.has_in_person_enrollment?
=> true

as well as checking other relational data.

In addition, our test suite is thorough enough that I have high confidence if the full test suite passes with this change. While making only some of these changes, many tests failed loudly.