RNG timers for IEDs + small tweaks (#22099)

Content.Server/Explosion/Components/RandomTimerTriggerComponent.cs

@@ -0,0 +1,22 @@
+using Content.Server.Explosion.EntitySystems;
+
+namespace Content.Server.Explosion.Components;
+
+/// <summary>
+/// This is used for randomizing a <see cref="RandomTimerTriggerComponent"/> on MapInit
+/// </summary>
+[RegisterComponent, Access(typeof(TriggerSystem))]
+public sealed partial class RandomTimerTriggerComponent : Component
+{
+    /// <summary>
+    /// The minimum random trigger time.
+    /// </summary>
+    [DataField]
+    public float Min;
+
+    /// <summary>
+    /// The maximum random trigger time.
+    /// </summary>
+    [DataField]
+    public float Max;
+}