[PR #8877/deaad6e5 backport][stable-9] keycloak_realm: fix change detection in check mode by normalizing realms beforehand

[patchback]

This is a backport of PR #8877 as merged into main (deaad6e).

SUMMARY

The lists enabledEventTypes, otpSupportedApplications and supportedLocales are sorted (in the normalize function) for the diff but not when comparing realms for the changed parameter. So the module always detects a change in check mode but shows an empty diff:

TASK [kc1 - realm-1 - Update Keycloak realm] ************************************************************************************************************************************************************************
changed: [kc1]

To minimize the changes, the lists should be sorted before comparing the realms as well.

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

keycloak_realm

ADDITIONAL INFORMATION

1. create minimal realm:

- name: Create or update Keycloak realm (minimal example)
  community.general.keycloak_realm:
    auth_client_id: admin-cli
    auth_keycloak_url: ...
    auth_realm: master
    auth_username: ...
    auth_password: ...
    id: realm-1
    realm: realm-1
    state: present
    enabledEventTypes:
    - AUTHREQID_TO_TOKEN
    - AUTHREQID_TO_TOKEN_ERROR
    - CLIENT_DELETE
    - CLIENT_DELETE_ERROR

2. subsequent check runs always detect a change but show an empty diff

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