Add blackout options

https://youtrack.weseek.co.jp/issue/GW-7859
- Update default blackout options
- Add blackout option to install

packages/app/test/cypress/integration/10-install/install.spec.ts

@@ -53,7 +53,7 @@ context('Installing', () => {
     cy.getByTestid('btnSubmit').click();
 
     cy.screenshot(`${ssPrefix}-installed`, {
-      blackout: ['#grw-sidebar-contents-wrapper','[data-line="2"]:eq(0) > a > img'],
+      blackout: ['#grw-sidebar-contents-wrapper','[data-line="2"]:eq(0) > a > img', '[data-hide-in-vrt=true]'],
     });
   });
 

packages/app/test/cypress/support/screenshot.ts

@@ -1,4 +1,4 @@
 Cypress.Screenshot.defaults({
-  blackout: ['[data-hide-in-vrt="true"]'],
+  blackout: ['[data-hide-in-vrt=true]'],
   capture: 'viewport',
 })