fix: Cluster state (#3955)

Author: chriskari

src/components/Clusters/shared.ts

@@ -43,7 +43,7 @@ export function addCluster(
   switchCluster = true,
 ) {
   const { setClusters } = clustersInfo;
-  setClusters({ [params.contextName]: params });
+  setClusters(prev => ({ ...prev, [params.contextName]: params }));
   if (switchCluster) {
     addCurrentCluster(params, clustersInfo);
   }

tests/integration/tests/namespace/test-reduced-permissions.spec.js

@@ -233,14 +233,14 @@ context('Test reduced permissions', () => {
       selectSearchResult: true,
     });
 
+    // remove cluster
     cy.changeCluster('all-clusters');
 
-    cy.wait(500)
-      .get('ui5-input[id="search-input"]:visible')
-      .find('input')
-      .type(SA_NAME);
-
-    cy.wait(1000);
+    cy.deleteFromGenericList('Cluster', SA_NAME, {
+      confirmationEnabled: true,
+      deletedVisible: false,
+      clearSearch: false,
+    });
 
     cy.contains(/No clusters found/).should('exist');
   });