Issue #3436883 Only save a role if permissions have changed.

Closes #3436883

changed target branch from 8.x-2.x to 8.x-1.x

added 3 commits

• 1557a72a...0839f3ff - 2 commits from branch project:8.x-1.x
• 0391d19b - Merge branch field_permissions:8.x-1.x into 3436883-only-save-a

Compare with previous version

added 4 commits

• 0391d19b...994f61fb - 3 commits from branch project:8.x-1.x
• 3fecda5b - Issue #3436883 Only save a role if permissions have changed.

Compare with previous version

merged