add TypeHints for inspector viewing

typehints operate as an additional label for a given class in the inspector, allowing one to specify what class-entry to use as a tag
examples: Prefab displays prefab filename
TSStatic displays the used shape asset name
SFXEmitter displays the played sound asset
GameBase derivatives display the datablock used

Templates/BaseGame/game/tools/worldEditor/gui/WorldEditorTreeWindow.ed.gui

@@ -172,6 +172,7 @@ $guiContent = new GuiControl() {
                   showClassNames = "0";
                   showObjectNames = "1";
                   showInternalNames = "1";
+                  showTypeHints = "1";
                   showClassNameForUnnamedObjects = "1";
                };
             };