Remove selector from svg export + fix svg format

src/Components/SVG/SVG.tsx

@@ -76,12 +76,12 @@ export const SVG: React.FC<ISVGProps> = (props: ISVGProps) => {
       >
         <svg {...properties}>
           { children }
-          <Selector selected={props.selected} />
           {
             SHOW_DIMENSIONS_PER_DEPTH
               ? <DepthDimensionLayer roots={props.children}/>
               : null
           }
+          <Selector selected={props.selected} /> {/* leave this at the end so it can be removed during the svg export */}
         </svg>
       </UncontrolledReactSVGPanZoom>
     </div>