Issue #3484972: Introduce new permissions bulk invite and administer invitations.

Closes #3484972

added 4 commits

• 433a3dd8 - 1 commit from branch project:3.0.x
• 34c94bbe - Issue #3484972: Add test to test unblock option.
• 42f91c83 - xMerge branch '3.0.x' into 3484972-add-seperate-group_3_0
• 8cd70268 - Issue #3484972: Add test to test unblock option.

Compare with previous version

merged