Add the ability for mappers to drag grids around. (#7769)

* Add the ability for mappers to drag grids around.

* Less message spam

* Also flinging

Content.Client/Maps/GridDraggingCommand.cs

@@ -0,0 +1,18 @@
+using Content.Shared.Maps;
+using Robust.Shared.Console;
+
+namespace Content.Client.Maps;
+
+/// <summary>
+/// Toggles GridDragging on the system.
+/// </summary>
+public sealed class GridDraggingCommand : IConsoleCommand
+{
+    public string Command => SharedGridDraggingSystem.CommandName;
+    public string Description => $"Allows someone with permissions to drag grids around.";
+    public string Help => $"{Command}";
+    public void Execute(IConsoleShell shell, string argStr, string[] args)
+    {
+        IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<GridDraggingSystem>().Enabled ^= true;
+    }
+}