Support for fine granted authz policies

[jkroepke]

What this PR does / why we need it:

Allow configure authz policies

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #648

Special notes for your reviewer:

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[codecov]

Codecov Report

Merging #650 (50ea524) into main (a33f5d7) will decrease coverage by 0.82%.
The diff coverage is 90.76%.

@@             Coverage Diff              @@
##               main     #650      +/-   ##
============================================
- Coverage     96.09%   95.26%   -0.83%     
- Complexity     1267     1298      +31     
============================================
  Files            74       75       +1     
  Lines          4043     4116      +73     
  Branches        450      460      +10     
============================================
+ Hits           3885     3921      +36     
- Misses           73      103      +30     
- Partials         85       92       +7     

Impacted Files	Coverage Δ
...s/keycloak/config/service/ClientImportService.java	94.37% <77.77%> (-1.04%)	⬇️
...nfig/service/ClientAuthorizationImportService.java	90.90% <90.90%> (ø)
...ak/config/exception/ImportProcessingException.java	100.00% <100.00%> (ø)
...s/keycloak/config/repository/ClientRepository.java	96.74% <100.00%> (+0.13%)	⬆️
...ys/keycloak/config/service/RealmImportService.java	100.00% <100.00%> (ø)
...onfig/repository/AuthenticationFlowRepository.java	81.96% <0.00%> (-11.48%)	⬇️
...eycloak/config/repository/ComponentRepository.java	59.09% <0.00%> (-11.37%)	⬇️
...ak/config/service/ExecutionFlowsImportService.java	87.78% <0.00%> (-4.59%)	⬇️
...ctory/UsedAuthenticationFlowWorkaroundFactory.java	94.17% <0.00%> (-2.12%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a33f5d7...50ea524. Read the comment docs.