Fixes imageAsset lookup so if we're looking up a full filename path, we compare the actual full paths

Engine/source/T3D/assets/ImageAsset.cpp

@@ -289,7 +289,7 @@ StringTableEntry ImageAsset::getAssetIdByFilename(StringTableEntry fileName)
                   Torque::Path temp1 = temp->getImageFile();
                   Torque::Path temp2 = fileName;
 
-                  if (temp1.getFileName() == temp2.getFileName())
+                  if (temp1 == temp2)
                   {
                      return imgAsset;
                   }