fix make a mesh sometimes shifting position in level

leverage the fact that when we create the backup prefab, that compresses down to one selected object
from there we can get it's position and use that for the bake location

Templates/BaseGame/game/tools/worldEditor/scripts/menuHandlers.ed.tscript

@@ -721,32 +721,7 @@ function EditorExplodePrefab()
 }
 
 function makeSelectedAMesh(%assetId)
-{
-   
-   /*%dlg = new SaveFileDialog()
-   {
-      Filters        = "Collada file (*.dae)|*.dae|";
-      DefaultPath    = $Pref::WorldEditor::LastPath;
-      DefaultFile    = "";
-      ChangePath     = false;
-      OverwritePrompt   = true;
-   };
-         
-   %ret = %dlg.Execute();
-   if ( %ret )
-   {
-      $Pref::WorldEditor::LastPath = filePath( %dlg.FileName );
-      %saveFile = %dlg.FileName;
-   }
-   
-   if( fileExt( %saveFile ) !$= ".dae" )
-      %saveFile = %saveFile @ ".dae";
-   
-   %dlg.delete();
-   
-   if ( !%ret )
-      return;*/
-      
+{      
    %assetDef = AssetDatabase.acquireAsset(%assetId);
    
    %assetPath = AssetDatabase.getAssetPath(%assetId);
@@ -762,16 +737,12 @@ function makeSelectedAMesh(%assetId)
    AssetDatabase.refreshAsset(%assetId);  
    
    if(%success)
-   {
-      //ok, cool it worked, so clear out the old 
-      //First, get our center of the currently selected objects
-      %selectionCenter = EWorldEditor.getSelectionCentroid();
-      
+   {      
       //Next, for safety purposes(and convenience!) we'll make them a prefab aping off the filepath/name provided
       //TODO: Make this an editor option
       %prefabPath = %assetPath @ "/" @ %assetDef.AssetName @ ".prefab";
-      EWorldEditor.makeSelectionPrefab(%prefabPath, true);
-      
+      EWorldEditor.makeSelectionPrefab(%prefabPath, false);
+      %selectionPos = EWorldEditor.getSelectedObject(0).getPosition();
       //Next, nuke 'em
       EditorMenuEditDelete();
       
@@ -779,7 +750,7 @@ function makeSelectedAMesh(%assetId)
       %newStatic = new TSStatic()
       {
          shapeAsset = %assetId;
-         position = %selectionCenter;
+         position = %selectionPos;
       };
       
       getRootScene().add(%newStatic);