[#1272] Extend license assessment with context

[eparovyshnaya]

• implement new predicate over ExaminationCertificate to ensure its a certificate sufficiently covers one particular feature
• test the implementation
• use the predicate in LicenseStatusDialog to define whether current state is OK or not - for one feature grant acquisition request

Closes #1272

[codecov[bot]]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (a6cd7da) 33.41% compared to head (2a657b7) 33.76%. Report is 2 commits behind head on master.

Files	Patch %	Lines
...api/tests/fakes/agreements/FakeAgreementState.java	44.44%	5 Missing :warning:
.../tests/fakes/agreements/FakeResolvedAgreement.java	33.33%	2 Missing :warning:
...lic/base/restrictions/CertificateIsSufficient.java	95.23%	0 Missing and 1 partial :warning:
...rg/eclipse/passage/lic/jface/EquinoxPassageUI.java	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1282 +/- ## ============================================ + Coverage 33.41% 33.76% +0.34% - Complexity 359 391 +32 ============================================ Files 1175 1181 +6 Lines 25741 25862 +121 Branches 1589 1591 +2 ============================================ + Hits 8602 8732 +130 + Misses 16618 16610 -8 + Partials 521 520 -1 ```

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