Move DnaComponent to shared (#35012)

* Move DnaComponent to shared

- Add Using statements to AdminSystem and StationRecordsSystem to point
to Content.Shared.Forensics

* Proper namespacing

* Revert an un-intended change

* Add Networking to DNA Component

* CR - Remove ("dna")

* CR - add back ("dna") tag

Content.Server/Administration/Systems/AdminSystem.cs

@@ -11,6 +11,7 @@ using Content.Server.StationRecords.Systems;
 using Content.Shared.Administration;
 using Content.Shared.Administration.Events;
 using Content.Shared.CCVar;
+using Content.Shared.Forensics.Components;
 using Content.Shared.GameTicking;
 using Content.Shared.Hands.Components;
 using Content.Shared.IdentityManagement;