Change Cluster Settings button to be consistent with cluster icon menu (#2065)

Co-authored-by: Sebastian Malton <sebastian@malton.name>
Co-authored-by: Alex Culliere <alozhkin@mirantis.com>

src/common/cluster-store.ts

@@ -225,6 +225,12 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
     workspaceStore.setLastActiveClusterId(clusterId);
   }
 
+  deactivate(id: ClusterId) {
+    if (this.isActive(id)) {
+      this.setActive(null);
+    }
+  }
+
   @action
   swapIconOrders(workspace: WorkspaceId, from: number, to: number) {
     const clusters = this.getByWorkspaceId(workspace);