feat: add read access to pools for viewer role

[marekhanus]

Cluster Activity UI shows FAILED TO FETCH DATA error in pools section. Users with Viewer role do not have permission to read pools.

Checks:

• patch tested locally on Airflow 2.7.2

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[boring-cyborg]

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[raphaelauv]

@marekhanus if your PR is ready you could set it in "ready for review"

[marekhanus]

Rebase done. Conflicts after ad717ef are now resolved.

[raphaelauv]

LGTM

[raphaelauv]

@marekhanus could you please rebase on main , to trigger a new CI test run

[raphaelauv]

the test test_get_user_roles_for_anonymous_user is failing

[pierrejeambrun]

Looking good.

I'll wait for another approval before merging this. I just want to be sure that there is no historical reason for having it this way in the first place.

[potiuk]

I'll wait for another approval before merging this. I just want to be sure that there is no historical reason for having it this way in the first place.

You get it :)