fix: Correct operator sidebar navigation

- Uses cy.clickNavLink command instead of direct nav interaction
- Supports both 'Ecosystem' (4.20) and 'Operators' (4.19) tab names

Author: DavidRajnoha

web/cypress/support/commands.ts

@@ -498,7 +498,11 @@ Cypress.Commands.add('beforeBlockCOO', (MCP: { namespace: string, operatorName:
     cy.log(`Observability-operator pod is now running in namespace: ${MCP.namespace}`);
   });
 
-  nav.sidenav.clickNavLink(['Ecosystem', 'Installed Operators']);
+  cy.get('#page-sidebar').then(($sidebar) => {
+    const section = $sidebar.text().includes('Ecosystem') ? 'Ecosystem' : 'Operators';
+    cy.clickNavLink([section, 'Installed Operators']);
+  });
+
   cy.byTestID('name-filter-input').should('be.visible').type('Cluster Observability{enter}');
   cy.get('[data-test="status-text"]', { timeout: installTimeoutMilliseconds }).eq(0).should('contain.text', 'Succeeded', { timeout: installTimeoutMilliseconds });