UI: fix reference to 'inControl' state in unselect shapes action

When checking if current user is in control, use correct object
'paths' and attribute name to read 'inControl' flag from the
current state.

This solves issues with 3-click centering not starting due to a
JavaScript error.

ui/src/actions/sampleview.js

@@ -426,9 +426,9 @@ export function sendDeleteShape(id) {
 
 export function unselectShapes(shapes) {
   return (dispatch, getState) => {
-    const login = getState();
+    const state = getState();
 
-    if (login.user.userInControl) {
+    if (state.login.user.inControl) {
       const _shapes = [];
       if (shapes.shapes !== undefined) {
         const keys = Object.keys(shapes.shapes);