Restore public ScriptRegion Create(...) method

Author: andyleejordan

src/PowerShellEditorServices/Services/TextDocument/ScriptRegion.cs

@@ -16,7 +16,7 @@ public sealed class ScriptRegion : IScriptExtent
     {
         internal TextEdit ToTextEdit() => new() { NewText = Text, Range = ToRange() };
 
-        public Range ToRange()
+        internal Range ToRange()
         {
             return new Range
             {
@@ -73,7 +73,7 @@ public ScriptRegion(
             EndOffset = endOffset;
         }
 
-        public ScriptRegion (IScriptExtent scriptExtent)
+        public ScriptRegion(IScriptExtent scriptExtent)
         {
             File = scriptExtent.File;
 
@@ -95,6 +95,11 @@ public ScriptRegion (IScriptExtent scriptExtent)
             EndOffset = scriptExtent.EndOffset;
         }
 
+        /// <summary>
+        /// NOTE: While unused, we kept this as it was previously exposed on a public class.
+        /// </summary>
+        public static ScriptRegion Create(IScriptExtent scriptExtent) => new(scriptExtent);
+
         #endregion
 
         #region Properties