Hud refactor (#7202)

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>
Co-authored-by: Jezithyr <jmaster9999@gmail.com>
Co-authored-by: Jezithyr <Jezithyr@gmail.com>
Co-authored-by: Visne <39844191+Visne@users.noreply.github.com>
Co-authored-by: wrexbe <wrexbe@protonmail.com>
Co-authored-by: wrexbe <81056464+wrexbe@users.noreply.github.com>

Content.Client/UserInterface/Systems/Hands/Controls/HandButton.cs

@@ -0,0 +1,25 @@
+using Content.Client.UserInterface.Controls;
+using Content.Shared.Hands.Components;
+
+namespace Content.Client.UserInterface.Systems.Hands.Controls;
+
+public sealed class HandButton : SlotControl
+{
+    public HandButton(string handName, HandLocation handLocation)
+    {
+        Name = "hand_" + handName;
+        SlotName = handName;
+        SetBackground(handLocation);
+    }
+
+    private void SetBackground(HandLocation handLoc)
+    {
+        ButtonTexturePath = handLoc switch
+        {
+            HandLocation.Left => "Slots/hand_l",
+            HandLocation.Middle => "Slots/hand_m",
+            HandLocation.Right => "Slots/hand_r",
+            _ => ButtonTexturePath
+        };
+    }
+}