Omnitool fixes (#12476)

Fix https://github.com/space-wizards/space-station-14/issues/11203

Content.Server/MachineLinking/Components/SignalLinkerComponent.cs

@@ -1,3 +1,7 @@
+using Content.Shared.Tools;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+using Robust.Shared.Utility;
+
 namespace Content.Server.MachineLinking.Components
 {
     [RegisterComponent]
@@ -8,5 +12,13 @@ namespace Content.Server.MachineLinking.Components
 
         [ViewVariables]
         public EntityUid? SavedReceiver;
+
+        /// <summary>
+        ///     Optional tool quality required for linker to work.
+        ///     If linker entity doesn't have this quality it will ignore any interaction.
+        /// </summary>
+        [DataField("requiredQuality", customTypeSerializer: typeof(PrototypeIdSerializer<ToolQualityPrototype>))]
+        [ViewVariables(VVAccess.ReadWrite)]
+        public string? RequiredQuality;
     }
 }