is clone block

Author: JeremyGamer13

src/lib/make-toolbox-xml.js

@@ -736,6 +736,7 @@ const control = function (isInitialSetup, isStage) {
                 </value>
             </block>
             <block type="control_delete_this_clone"/>
+            <block type="control_is_clone"/>
         `}
         ${LazyScratchBlocks.isNameUrMom() ? '<block type="your_mom"/>' : ''}
         ${categorySeparator}