Added power checks

Added power checks to:
Reagent Dispenser
Medical Scanner
Lathes
Research Console
Vending Machines

Added power device component to:
chem dispenser prototype
medical scanner prototype

Fixes for #706

Content.Server/GameObjects/Components/Research/ResearchConsoleComponent.cs

@@ -46,6 +46,8 @@ namespace Content.Server.GameObjects.Components.Research
         private void UserInterfaceOnOnReceiveMessage(ServerBoundUserInterfaceMessage message)
         {
             if (!Owner.TryGetComponent(out TechnologyDatabaseComponent database)) return;
+            if (!Powered)
+                return;
 
             switch (message.Message)
             {