feat: port GroupTheory.Perm.Support (#1614)

Co-authored-by: ChrisHughes24 <chrishughes24@gmail.com>
Co-authored-by: Moritz Firsching <firsching@google.com>

Author: mo271

Mathlib.lean

@@ -455,6 +455,7 @@ import Mathlib.GroupTheory.GroupAction.Sum
 import Mathlib.GroupTheory.GroupAction.Support
 import Mathlib.GroupTheory.GroupAction.Units
 import Mathlib.GroupTheory.Perm.Basic
+import Mathlib.GroupTheory.Perm.Support
 import Mathlib.GroupTheory.Perm.ViaEmbedding
 import Mathlib.GroupTheory.Submonoid.Basic
 import Mathlib.GroupTheory.Submonoid.Center