core: normalize name of "Permissions" tabs on workflow and states

Let's be consistent and use "Permissions" everywhere.
2 jobs for <span class="ref-name">fix/workflow_permissions</span> in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner2

05:21:39

failed ERP5.UnitTest-TestRunner2

03:08:21