Add control view for bound input types

com.unity.shadergraph/Editor/Drawing/Views/Slots/BoundInputVectorControlView.cs

+using System;
+using UnityEditor.Graphing;
+using UnityEditor.Experimental.UIElements;
+using UnityEngine.Experimental.UIElements;
+
+namespace UnityEditor.ShaderGraph.Drawing.Slots
+{
+    public class BoundInputVectorControlView : VisualElement
+    {
+        public BoundInputVectorControlView(string label)
+        {
+            AddStyleSheetPath("Styles/Controls/BoundInputVectorSlotControlView");
+            Add(new Label(label));
+        }
+    }
+}

com.unity.shadergraph/Editor/Drawing/Views/Slots/BoundInputVectorControlView.cs.meta

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com.unity.shadergraph/Editor/Resources/Styles/Controls/BoundInputVectorSlotControlView.uss

+ScreenPositionSlotControlView > Label {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 0;
+    margin-right: 0;
+    width: 54;
+}

com.unity.shadergraph/Editor/Resources/Styles/Controls/BoundInputVectorSlotControlView.uss.meta

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