Deprecate "isEnabledForCluster" in favor of individual enabled or visible properties for each registration

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/extensions/lens-renderer-extension.ts

@@ -90,6 +90,8 @@ export class LensRendererExtension extends LensExtension<LensRendererExtensionDe
    * called when the extension is created within a cluster frame.
    *
    * The default implementation is to return `true`
+   *
+   * @deprecated Switch to using "enabled" or "visible" properties in each registration together with `activeCluster`
    */
   async isEnabledForCluster(cluster: KubernetesCluster): Promise<Boolean> {
     return (void cluster) || true;