Intercom buffs and fixes (#29580)

* Intercom buffs and fixes

* remove unused bui state

* mild sec intercom buff

* reinforce sec intercoms

Content.Shared/Radio/Components/TelecomExemptComponent.cs

@@ -0,0 +1,9 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Radio.Components;
+
+/// <summary>
+/// This is used for a radio that doesn't need a telecom server in order to broadcast.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed partial class TelecomExemptComponent : Component;