geosolutions-it#9932: On Binary dashboard public dashboard have + button

Description:
- fix showing add dashboard button for guest users

web/client/selectors/__tests__/dashboard-test.js

@@ -97,6 +97,13 @@ describe('dashboard selectors', () => {
                 }
             }
         })).toBe(false);
+        expect(buttonCanEdit({
+            router: {
+                location: {
+                    pathname: '/dashboard/1'
+                }
+            }
+        })).toBe(false);
     });
 
     it("test dashboardServicesSelector", () => {

web/client/selectors/dashboard.js

@@ -21,7 +21,7 @@ export const isDashboardLoading = state => state && state.dashboard && state.das
 export const getDashboardSaveErrors = state => state && state.dashboard && state.dashboard.saveErrors;
 export const isBrowserMobile = state => state && state.browser && state.browser.mobile;
 export const buttonCanEdit = createSelector(pathnameSelector, dashboardResource, isBrowserMobile,
-    (path, resource, isMobile) => isMobile ? !isMobile : (resource && resource.canEdit || isNaN(path.substr(-4))));
+    (path, resource, isMobile) => isMobile ? !isMobile : (resource && resource.canEdit || isNaN(path.substr(-1))));
 export const originalDataSelector = state => state?.dashboard?.originalData;
 
 export const dashboardServicesSelector =  state => state && state.dashboard && state.dashboard.services;